Cita APA (7th ed.)

Abrams, D., & Hogg, M. A. (1993). Group motivation: A social psychological perspectives. Harvester Wheatsheaf.

Cita Chicago (17th ed.)

Abrams, Dominic, i Michael A. Hogg. Group Motivation: A Social Psychological Perspectives. New York: Harvester Wheatsheaf, 1993.

Cita MLA (9th ed.)

Abrams, Dominic, i Michael A. Hogg. Group Motivation: A Social Psychological Perspectives. Harvester Wheatsheaf, 1993.