Παραπομπή APA

Cooper, C. l. (1976). Theories of Group Processes. Wiley Eastern.

Παραπομπή Chicago Style

Cooper, Cary l. Theories of Group Processes. London: Wiley Eastern, 1976.

Παραπομπή MLA

Cooper, Cary l. Theories of Group Processes. Wiley Eastern, 1976.