APA (7th ed.) Zitazioa
Luft, J. (1984). Group Processes (3rd ed.). Mayfield Comp.
Chicago Style (17th ed.) Zitazioa
Luft, Joseph. Group Processes. 3rd ed. California: Mayfield Comp, 1984.
MLA (9th ed.) Zitazioa
Luft, Joseph. Group Processes. 3rd ed. Mayfield Comp, 1984.
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