Bahr, L. S. (1995). Collier's Encyclopedia. Collier.
Lua i Stíl Chicago (17ú heag.)Bahr, Lauren S. Collier's Encyclopedia. New York ; Toronto ; Sydney: Collier, 1995.
Lua MLA (8ú heag.)Bahr, Lauren S. Collier's Encyclopedia. Collier, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.