Corey, G. (2009). Theory and practice of counseling and psychotherapy (Eighth edition.). Thomson/Brooks/Cole.
Citace podle Chicago (17th ed.)Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. Eighth edition. Australia ; Belmont, CA: Thomson/Brooks/Cole, 2009.
Citace podle MLA (8th ed.)Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. Eighth edition. Thomson/Brooks/Cole, 2009.
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