Hims, J. (1974). Racial and ethnic relations. W.M.C Brown Company.
Lua i Stíl Chicago (17ú heag.)Hims, Joseph. Racial and Ethnic Relations. NULL: W.M.C Brown Company, 1974.
Lua MLA (9ú heag.)Hims, Joseph. Racial and Ethnic Relations. W.M.C Brown Company, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.