Homans, G. C. (1950). The human group. Harcourt, Brace & World.
Chicago Style aipamenaHomans, George Caspar. The Human Group. New York: Harcourt, Brace & World, 1950.
MLA aipamenaHomans, George Caspar. The Human Group. Harcourt, Brace & World, 1950.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.