Parsons, R. D., & Wicks, R. J. (1994). Counseling strategies and intervention techniques for the human services (4th ed.). Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Parsons, Richard D., agus Robert J. Wicks. Counseling Strategies and Intervention Techniques for the Human Services. 4th ed. Boston: Allyn and Bacon, 1994.
Lua MLA (9ú heag.)Parsons, Richard D., agus Robert J. Wicks. Counseling Strategies and Intervention Techniques for the Human Services. 4th ed. Allyn and Bacon, 1994.
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