APA-ийн эшлэл(7 дахь хэвлэлт)

Kampfe, C. M., & Gaston, B. E. (2015). Counseling older people: Opportunities and challenges. American Counseling Association.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Kampfe, Charlene M., ба Bonny E. Gaston. Counseling Older People: Opportunities and Challenges. Alexandria, Virginia: American Counseling Association, 2015.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Kampfe, Charlene M., ба Bonny E. Gaston. Counseling Older People: Opportunities and Challenges. American Counseling Association, 2015.