In Language and Prejudice, Tamara Valentine defines linguistic sexism as "the use of words that arbitrarily assigns roles or characteristics to people on the basis of sex or gender." This page will help you research such words and information on this topic.
A sample APA citation for an entry from The Oxford English Dictionary is:
Mankind. (n.d.). In The OED online. Retrieved from http://www.oed.com/view/Entry/113548
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