Hill, C. E. (2004). Helping skills: Facilitating exploration, insight and action (2nd ed.). Taylor and Francis.
Chicago Style (17. basım) AtıfHill, Clara E. Helping Skills: Facilitating Exploration, Insight and Action. 2nd ed. Washington: Taylor and Francis, 2004.
MLA (8th ed.) AtıfHill, Clara E. Helping Skills: Facilitating Exploration, Insight and Action. 2nd ed. Taylor and Francis, 2004.
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