APA (7th ed.) Zitazioa
Martin, D. G. (2011). Counseling & therapy skills (3rd ed.). Waveland Press.
Chicago Style (17th ed.) Zitazioa
Martin, David G. Counseling & Therapy Skills. 3rd ed. Long Grove, Ill: Waveland Press, 2011.
MLA (9th ed.) Zitazioa
Martin, David G. Counseling & Therapy Skills. 3rd ed. Waveland Press, 2011.
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