Hackney, H., & Cormier, L. S. (1994). Counseling strategies and interventions (4th ed.). Allyn and Bacon.
Chicago Style (17. basım) AtıfHackney, Harold, ve L. Sherilyn Cormier. Counseling Strategies and Interventions. 4th ed. Boston: Allyn and Bacon, 1994.
MLA (9th ed.) AtıfHackney, Harold, ve L. Sherilyn Cormier. Counseling Strategies and Interventions. 4th ed. Allyn and Bacon, 1994.
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