APA-ийн эшлэл(7 дахь хэвлэлт)

Herr, E. L. (1988). Career guidance through the life span: Systematic approaches (3rd ed.). Little, Brown and Co..

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Herr, Edwin L. Career Guidance Through the Life Span: Systematic Approaches. 3rd ed. Boston: Little, Brown and Co., 1988.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Herr, Edwin L. Career Guidance Through the Life Span: Systematic Approaches. 3rd ed. Little, Brown and Co., 1988.