APA-viite (7. p.)
Worthington, E. L. J. (1982). When someone asks for help: A practical guide for counseling. Inter-Varsity.
Chicago-viite (17. p.)
Worthington, Everett L. Jr. When Someone Asks for Help: A Practical Guide for Counseling. Illinois: Inter-Varsity, 1982.
MLA-viite (9. p.)
Worthington, Everett L. Jr. When Someone Asks for Help: A Practical Guide for Counseling. Inter-Varsity, 1982.
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