APA (7th ed.) Zitazioa
(2009). The skills of helping individuals, families, groups, and communities[CD-ROM]. Brooks/Cole.
Chicago Style (17th ed.) Zitazioa
The Skills of Helping Individuals, Families, Groups, and Communities[CD-ROM]. Belmont: Brooks/Cole, 2009.
MLA (9th ed.) Zitazioa
The Skills of Helping Individuals, Families, Groups, and Communities[CD-ROM]. Brooks/Cole, 2009.
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