Trecker, H. B. (1972). Social group work: Principles and practices. New York: Association Press.
Chicago Style CitationTrecker, Harleigh Bradley. Social Group Work: Principles and Practices. New York: Association Press, 1972.
MLA CitationTrecker, Harleigh Bradley. Social Group Work: Principles and Practices. New York: Association Press, 1972.
Warning: These citations may not always be 100% accurate.