Crabb, L. (1991). Men and women: Understanding how relationships work. Marshall pickering.
Chicago Style (17th ed.) ZitazioaCrabb, Larry. Men and Women: Understanding How Relationships Work. London: Marshall pickering, 1991.
MLA (9th ed.) ZitazioaCrabb, Larry. Men and Women: Understanding How Relationships Work. Marshall pickering, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.