Heap, K. (1985). The practice of social work with groups: A systematic approach. National Institute social services library.
Chicago Style (17th ed.) CitationHeap, Ken. "The Practice of Social Work with Groups: A Systematic Approach." National Institute Social Services Library 1985.
MLA (8th ed.) CitationHeap, Ken. "The Practice of Social Work with Groups: A Systematic Approach." National Institute Social Services Library, 1985.
Warning: These citations may not always be 100% accurate.