Surprise, surprise, Courts seem to be split on the issue of whether or not Wikipedia is a proper legal source. In the previous post, people were discussing this link on Wikipedia: Which is a listing of holdings from Courts that have cited Wikipedia in various...
Just saw this over at Legal Writing Prof Blog. The court notes here that defense counsel appears to have cobbled much of his statement of the law governing ineffective assistance of counsel claims by cutting and pasting, without citation, from the Wikipedia web...