Douglas-Hamilton, I. (1972). On the ecology and behaviour of the African elephant: The elephants of Lake Manyara.
Lua i Stíl Chicago (17ú heag.)Douglas-Hamilton, Iain. On the Ecology and Behaviour of the African Elephant: The Elephants of Lake Manyara. 1972.
Lua MLA (8ú heag.)Douglas-Hamilton, Iain. On the Ecology and Behaviour of the African Elephant: The Elephants of Lake Manyara. 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.