Posting to Bibliographic Wilderness concerning the use of Wikipedia in 670 fields
I think this says it all.
Wikipedia is not a reference source, even though it wants to be. Information literacy workshops tell people that if they are to use Wikipedia, they must use it wisely. It may lead you to good sources, but as a source itself, it is unreliable. Here’s one example: http://www.hawaii.edu/lilo/summer09/what_about_wikipedia.php but there are lots more.