APA (7th ed.) Zitazioa
Kampfe, C. M., & Gaston, B. E. (2015). Counseling older people: Opportunities and challenges. American Counseling Association.
Chicago Style (17th ed.) Zitazioa
Kampfe, Charlene M., eta Bonny E. Gaston. Counseling Older People: Opportunities and Challenges. Alexandria, Virginia: American Counseling Association, 2015.
MLA (9th ed.) Zitazioa
Kampfe, Charlene M., eta Bonny E. Gaston. Counseling Older People: Opportunities and Challenges. American Counseling Association, 2015.
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