how to write a letter of reference for a student

wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, 67 people, some anonymous, worked to edit and improve it over time.
This article has been viewed 14,353,587 times.

References:

http://library.leeds.ac.uk/info/14011/writing/106/academic_writing