Tohutoro APA (7th ed.)
Egan, G. (1985). Change agent skills in helping and human settings. Brooks/Cole.
Tohutoru Kātū Chicago (17th ed.)
Egan, Gerard. Change Agent Skills in Helping and Human Settings. Monterery. California: Brooks/Cole, 1985.
Tohutoro MLA (9th ed.)
Egan, Gerard. Change Agent Skills in Helping and Human Settings. Brooks/Cole, 1985.
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