Cooper, C. l. (1976). Theories of Group Processes. Wiley Eastern.
Chicago Style aipamenaCooper, Cary l. Theories of Group Processes. London: Wiley Eastern, 1976.
MLA aipamenaCooper, Cary l. Theories of Group Processes. Wiley Eastern, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.