Corey, G., Corey, M. S., & Callanan, P. (1998). Issues and ethics in the helping professions (Fifth edition.). Brooks/Cole.
Citace podle Chicago (17th ed.)Corey, Gerald, Marianne Schneider Corey, a Patrick Callanan. Issues and Ethics in the Helping Professions. Fifth edition. Pacific Grove, CA: Brooks/Cole, 1998.
Citace podle MLA (9th ed.)Corey, Gerald, et al. Issues and Ethics in the Helping Professions. Fifth edition. Brooks/Cole, 1998.
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