Trecker, H. B. (1965). Social group work: Priniciples and practice Revised ed.
Chicago Edition CitationTrecker, Harleigh B. Social Group Work: Priniciples and Practice Revised Ed. 1965.
MLA Edition CitationTrecker, Harleigh B. Social Group Work: Priniciples and Practice Revised Ed. 1965.
Warning: These citations may not always be 100% accurate.