French, N. S. (1903). Animal activities: A first book in zoölogy. Longmans, Green, and Co..
Lua i Stíl Chicago (17ú heag.)French, N. S. Animal Activities: A First Book in Zoölogy. New York ; London: Longmans, Green, and Co., 1903.
Lua MLA (8ú heag.)French, N. S. Animal Activities: A First Book in Zoölogy. Longmans, Green, and Co., 1903.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.