Não informado. (1976). Ethnic groups. Gordon and Breach Science Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Ethnic Groups. New York: Gordon and Breach Science Publishers, 1976.
Lua MLA (8ú heag.)Não informado. Ethnic Groups. Gordon and Breach Science Publishers, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.