Trecker, H. B. 1. (1948). Social group work: Principles and practices (Revised and Enlarged.). New York, New York: Whiteside.
Chicago Style CitationTrecker, Harleigh Bradley 1911-. Social Group Work: Principles and Practices. Revised and Enlarged. New York, New York: Whiteside, 1948.
MLA CitationTrecker, Harleigh Bradley 1911-. Social Group Work: Principles and Practices. Revised and Enlarged. New York, New York: Whiteside, 1948.
Warning: These citations may not always be 100% accurate.