Não informado. (1938). New England naturalist. New England Museum of Natural History.
Lua i Stíl Chicago (17ú heag.)Não informado. New England Naturalist. Boston, Mass: New England Museum of Natural History, 1938.
Lua MLA (8ú heag.)Não informado. New England Naturalist. New England Museum of Natural History, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.