Even for the wary
In case you were feeling queasy about using Wikipedia for any research, you should know that it was successfully used in court before, according to Prof. Andrew Lih:
It has even been used in litigation, when in July 2003, a Wikipedia article on profanity was cited in a motion to dismiss a case in a Colorado court.
If a grand jury will accept Wikipedia content, I’m sure any of your teachers etc. will too.