Nilson, Carolyn
Team games for trainers/ Caolyn Nilson
McGraww-Hill, 1993
 Buku Teks
Napier, Rodney W., author
Advanced games for trainers : powerful interventions for solving team, group, or organizational problems
McGraw-Hill , 1999
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Konopka, Gisela
Social group work : a helping process / Gisela Konopka
Prentice-Hall, 1963
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Trecker, Harleigh Bradley. 1911-
Social group work principles and practices / by Harleigh B. Trecker
N.Y. Association Press , 1967
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Thibaut, John W.
The social psychology of groups / John W. Thibaut, Harold H. Kelley
John Wiley and Sons, 1967
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