Bates, M., & Johnson, C. D. (1982). Group leadership: A manual for group counseling (2nd ed.). Love Publishers.
Chicago-viite (17. p.)Bates, Marilyn, ja Clarence D. Johnson. Group Leadership: A Manual for Group Counseling. 2nd ed. London: Love Publishers, 1982.
MLA-viite (9. p.)Bates, Marilyn, ja Clarence D. Johnson. Group Leadership: A Manual for Group Counseling. 2nd ed. Love Publishers, 1982.
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