Παραπομπή APA

Hansen, J. C. (1978). Counseling Process and Procedures. Macmillan.

Παραπομπή Chicago Style

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

Παραπομπή MLA

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