Não informado. (1987). Advances in Ethology. Blackwell Wissenschafts Verlag.
Lua i Stíl Chicago (17ú heag.)Não informado. Advances in Ethology. Berlin: Blackwell Wissenschafts Verlag, 1987.
Lua MLA (8ú heag.)Não informado. Advances in Ethology. Blackwell Wissenschafts Verlag, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.