Não informado. (1941). Audubon magazine. National Audubon Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Audubon Magazine. New York: National Audubon Society, 1941.
Lua MLA (8ú heag.)Não informado. Audubon Magazine. National Audubon Society, 1941.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.