(1993). Group motivation: Social psychological perspectives (1. publ.). Harvester-Wheatsheaf.
Chicago Style (17th ed.) CitationGroup Motivation: Social Psychological Perspectives. 1. publ. New York u.a: Harvester-Wheatsheaf, 1993.
MLA (9th ed.) CitationGroup Motivation: Social Psychological Perspectives. 1. publ. Harvester-Wheatsheaf, 1993.
Warning: These citations may not always be 100% accurate.