APA (7th ed.) Zitazioa

Hansen, J. C. (1978). Counseling process and procedures. Macmillan.

Chicago Style (17th ed.) Zitazioa

Hansen, James C. Counseling Process and Procedures. New York: Macmillan, 1978.

MLA (9th ed.) Zitazioa

Hansen, James C. Counseling Process and Procedures. Macmillan, 1978.