APA-ийн эшлэл(7 дахь хэвлэлт)

Carkhuff, R. R. (1983). The art of helping (5th ed.). Human Resource Development Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Carkhuff, Robert R. The Art of Helping. 5th ed. Amherst, Massachuttes: Human Resource Development Press, 1983.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Carkhuff, Robert R. The Art of Helping. 5th ed. Human Resource Development Press, 1983.