APA-ийн эшлэл(7 дахь хэвлэлт)

Egan, G. (2007). The skilled helper: A problem-management and opportunity-development approach to helping (8th ed.). Thomson, Brooks/Cole.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Egan, Gerard. The Skilled Helper: A Problem-management and Opportunity-development Approach to Helping. 8th ed. Belmont, USA: Thomson, Brooks/Cole, 2007.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Egan, Gerard. The Skilled Helper: A Problem-management and Opportunity-development Approach to Helping. 8th ed. Thomson, Brooks/Cole, 2007.