Gaya APA

Wortham, W, E, B, D, B, A, D, R, A. (2010). Morals and Manners Among Negro Americans . : Lexington Books.

Gaya MLA

Wortham, W., E., Burghardt, Du, Bois;, Augustus, Dill;, Robert, A.. "Morals and Manners Among Negro Americans". : Lexington Books, 2010. Text.