Egan, G. (1975). The skilled helper: A model for systematic helping and interpersonal relating. Brooks Publishing Company.
Chicago-čujuhus (17. p.)Egan, Gerard. The Skilled Helper: A Model for Systematic Helping and Interpersonal Relating. California: Brooks Publishing Company, 1975.
MLA-čujuhus (9. p.)Egan, Gerard. The Skilled Helper: A Model for Systematic Helping and Interpersonal Relating. Brooks Publishing Company, 1975.
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