APA (7. basım) Alıntı
Egan, G. The Skilled Helper: A Model for Systematic Helping and Interpersonal Relating. Brooks/Cole.
Chicago Style (17. basım) Atıf
Egan, Gerard. The Skilled Helper: A Model for Systematic Helping and Interpersonal Relating. Monterey, EUA: Brooks/Cole.
MLA (9th ed.) Atıf
Egan, Gerard. The Skilled Helper: A Model for Systematic Helping and Interpersonal Relating. Brooks/Cole.
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