Forsyth, D. R. (2010). Group dynamics (5th ed.). Wadsworth.
Tohutoru Kātū Chicago (17th ed.)Forsyth, Donelson R. Group Dynamics. 5th ed. Australia: Wadsworth, 2010.
Tohutoro MLA (9th ed.)Forsyth, Donelson R. Group Dynamics. 5th ed. Wadsworth, 2010.
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