reference this

World Health Organization. (n.d.). Frequently asked questions. Retrieved from http://www.who.int/suggestions/faq/en/
In the text you would then cite the source you read the definition in

When citing the EYFS, the author is usually the Department for Education (DfE). For the full reference in your list, you need to include the year of publication along with the title of the document, the web address and when you accessed it (following Harvard Cite Them Right guidance).
Department for Education (2017) – no acronym needed/used

UK: * UK and possibly other pronunciations UK and possibly other pronunciations /ˈrɛf ə rəns/
US: USA pronuncation: IPA USA pronuncation: IPA /ˈrɛfərəns, ˈrɛfrəns/

Cite this Entry
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Click here to search reports published from the National Academy of Sciences, the Institute of Medicine, the National Academy of Engineering, and the National Research Council.
Click here to view key search phrases derived from your content for searching on Google, Yahoo, Bing, and NAP.edu.

The main area of the dialog lists all candidate schematic documents for the project that can be used as the target reference sub-sheet for the sheet symbol. Each valid document’s name and path to the folder in which it resides is listed.
The Choose Document to Reference dialog

It’s a good idea to plan and get your references in order before you need them. It will save time scrambling to put together a list at the last minute.
Keep in mind that a positive endorsement can help you clinch a job offer, and a negative reference can hurt your chances. Therefore, be sure to have a strong list of references who know all about your strengths, and about the jobs you are applying for.

Racial injustice is one of the ecological risk factors for child psychopathology, according to Coie et al. (as cited in Greenbert, Domitrovich, & Bumbarger, 2000).
Only the secondary reference goes in the reference list:

‘this’ is a reference variable that refers to the current object.

Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above.

Data Provided By the official stats partner of the NBA.
5-time NBA All-Star Chris Mullin was born in New York, New York.

References:

http://libraryfaqs.worc.ac.uk/faq/164201
http://www.wordreference.com/enru/reference
http://www.merriam-webster.com/dictionary/in%20reference%20to
http://www.nap.edu/reffind.php
http://www.altium.com/ru/documentation/altium-designer/sch-dlg-choosedocumenttoreferencechoose-document-to-reference-ad?version=18.0
http://www.thebalancecareers.com/employment-references-2062969
http://writing.wisc.edu/handbook/documentation/docapa/docapacitations_multiple/
http://www.geeksforgeeks.org/this-reference-in-java/
http://www.basketball-reference.com/friv/on_this_date.fcgi
http://www.wikihow.com/Cite-in-Word