Trecker, Harleigh B.
Social group work principles and practices
Association Press, 1967
 Buku Teks
Thibaut, John W.
The social psychology of groups / John W. Thibaut, Harold H. Kelley
John Wiley & Sons, 1967
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Blumenthal, Louis H.
Administration of group work
Association Press, 1948
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Batten,T. R.
The non-directive approach in group and community work
Oxford University Press, 1978
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Concepts and methods of social work / editor, Walter A. Friedlander
Prentice Hall of India, 1977
 Buku Teks