Não informado. (1915). The Scientific Monthly. American Association for the Advancement of Science.
Lua i Stíl Chicago (17ú heag.)Não informado. The Scientific Monthly. Washington: American Association for the Advancement of Science, 1915.
Lua MLA (8ú heag.)Não informado. The Scientific Monthly. American Association for the Advancement of Science, 1915.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.