APA
Wolberg L. R. &. A. m. L., . (1981). Group and Family Therapy 1981. Brunner/Mazel, New york: .
Chicago
Wolberg Lewis R & Aronson marvin L, . 1981. Group and Family Therapy 1981. Brunner/Mazel, New york: .
Harvard
Wolberg L. R. &. A. m. L., . (1981). Group and Family Therapy 1981. Brunner/Mazel, New york: .
MLA
Wolberg Lewis R & Aronson marvin L, . Group and Family Therapy 1981. Brunner/Mazel, New york: . 1981.