Gehart, D. R. (2014). Mastering competencies in family therapy: A practical approach to theories and clinical case documentation (Second edition.). Brooks/Cole Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Gehart, Diane R. Mastering Competencies in Family Therapy: A Practical Approach to Theories and Clinical Case Documentation. Second edition. Belmont, California: Brooks/Cole Cengage Learning, 2014.
Lua MLA (9ú heag.)Gehart, Diane R. Mastering Competencies in Family Therapy: A Practical Approach to Theories and Clinical Case Documentation. Second edition. Brooks/Cole Cengage Learning, 2014.
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