APA (7th ed.) Zitazioa
Gysbers, N. C., Heppner, M. J., & Johnston, J. A. (2014). Career counseling: Holism, diversity, and strengths (Fourth edition.). American Counseling Association.
Chicago Style (17th ed.) Zitazioa
Gysbers, Norman C., Mary J. Heppner, eta Joseph A. Johnston. Career Counseling: Holism, Diversity, and Strengths. Fourth edition. Alexandria, Virginia: American Counseling Association, 2014.
MLA (9th ed.) Zitazioa
Gysbers, Norman C., et al. Career Counseling: Holism, Diversity, and Strengths. Fourth edition. American Counseling Association, 2014.
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