Crabb, L. (1991). Men and women: Understanding how relationships work. Marshall pickering.
Chicago-referens (17:e uppl.)Crabb, Larry. Men and Women: Understanding How Relationships Work. London: Marshall pickering, 1991.
MLA-referens (9:e uppl.)Crabb, Larry. Men and Women: Understanding How Relationships Work. Marshall pickering, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.