Dyfyniad APA

Egan, G. (2010). The skilled helper: A problem-management and opportunity-development approach to helping (9th ed.). Brooks/Cole.

Dyfyniad Arddull Chicago

Egan, Gerard. The Skilled Helper: A Problem-management and Opportunity-development Approach to Helping. 9th ed. Australia: Brooks/Cole, 2010.

Dyfyniad MLA

Egan, Gerard. The Skilled Helper: A Problem-management and Opportunity-development Approach to Helping. 9th ed. Brooks/Cole, 2010.

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