Gibson, R. L. 1. ., & Mitchell, M. (1986). Introduction to counseling and guidance (Second edition.). Macmillan Publishing Company.
Chicago Style aipamenaGibson, Robert L. 1927- , and Marianne Mitchell. Introduction to Counseling and Guidance. Second edition. New York: Macmillan Publishing Company, 1986.
MLA aipamenaGibson, Robert L. 1927- , and Marianne Mitchell. Introduction to Counseling and Guidance. Second edition. Macmillan Publishing Company, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.