Não informado. (1976). Group psychotherapy, psychodrama and sociometry. American Society of Group Psychotherapy and Psychodrama.
Čikaški stil citiranja (17. izdanje)Não informado. Group Psychotherapy, Psychodrama and Sociometry. Beacon, NY: American Society of Group Psychotherapy and Psychodrama, 1976.
MLA način citiranja (8. izdanje)Não informado. Group Psychotherapy, Psychodrama and Sociometry. American Society of Group Psychotherapy and Psychodrama, 1976.
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