Cita APA (7th ed.)
Berkman, H. W. (1981). Consumer behavior (2nd ed.). Wadsworth.
Cita Chicago (17th ed.)
Berkman, Harold W. Consumer Behavior. 2nd ed. Boston: Wadsworth, 1981.
Cita MLA (9th ed.)
Berkman, Harold W. Consumer Behavior. 2nd ed. Wadsworth, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.