Bennett, M. F. (1974). Living clocks in the animal world. Thomas.
Lua i Stíl Chicago (17ú heag.)Bennett, Miriam F. Living Clocks in the Animal World. Springfield, Ill.: Thomas, 1974.
Lua MLA (8ú heag.)Bennett, Miriam F. Living Clocks in the Animal World. Thomas, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.