Willner, L. A. (1989). Sexual dimorphism in primates. University of London.
Lua i Stíl Chicago (17ú heag.)Willner, Lesley Anita. Sexual Dimorphism in Primates. University of London, 1989.
Lua MLA (8ú heag.)Willner, Lesley Anita. Sexual Dimorphism in Primates. University of London, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.