APA način citiranja (7. izdanje)
Okun, B. F. (2002). Effective helping: Interviewing and counseling techniques (6th ed.). Brooks/Cole.
Čikaški stil citiranja (17. izdanje)
Okun, Barbara F. Effective Helping: Interviewing and Counseling Techniques. 6th ed. Pacific Grove, CA: Brooks/Cole, 2002.
MLA način citiranja (9. izdanje)
Okun, Barbara F. Effective Helping: Interviewing and Counseling Techniques. 6th ed. Brooks/Cole, 2002.
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