APA引文

Corey, G., & Corey, M. S. (1993). Issues and ethics in the helping professions. Brooks/Cole.

Chicago Style (17th ed.) Citation

Corey, Gerald, and Marianne S. Corey. Issues and Ethics in the Helping Professions. California: Brooks/Cole, 1993.

MLA引文

Corey, Gerald, and Marianne S. Corey. Issues and Ethics in the Helping Professions. Brooks/Cole, 1993.