Kromkowski, J. Race and ethnic relations (9th ed.). Dushkin Pub. Group.
Chicago-referens (17:e uppl.)Kromkowski, John. Race and Ethnic Relations. 9th ed. Guilford, Conn.: Dushkin Pub. Group.
MLA-referens (8:e uppl.)Kromkowski, John. Race and Ethnic Relations. 9th ed. Dushkin Pub. Group.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.