Kromkowski, J. Race and ethnic relations (9th ed.). Dushkin Pub. Group.
Lua i Stíl Chicago (17ú heag.)Kromkowski, John. Race and Ethnic Relations. 9th ed. Guilford, Conn.: Dushkin Pub. Group.
Lua MLA (8ú heag.)Kromkowski, John. Race and Ethnic Relations. 9th ed. Dushkin Pub. Group.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.