Não informado. (1963). Nature and science. American Museum of Natural History.
Lua i Stíl Chicago (17ú heag.)Não informado. Nature and Science. New York: American Museum of Natural History, 1963.
Lua MLA (8ú heag.)Não informado. Nature and Science. American Museum of Natural History, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.