Hrdy, S. B. (1980). The langurs of Abu: Female and male strategies of reproduction. Harvard University Press.
Chicago-referens (17:e uppl.)Hrdy, Sarah Blaffer. The Langurs of Abu: Female and Male Strategies of Reproduction. Cambridge, Mass.: Harvard University Press, 1980.
MLA-referens (8:e uppl.)Hrdy, Sarah Blaffer. The Langurs of Abu: Female and Male Strategies of Reproduction. Harvard University Press, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.