Gibson, R. L., & Mitchell, M. (2003). Introduction to counseling and guidance (6th ed.). Merrill/Prentice Hall.
Chicago Style (17. basım) AtıfGibson, Robert Lewis, ve Marianne Mitchell. Introduction to Counseling and Guidance. 6th ed. Upper Saddle River, N.J: Merrill/Prentice Hall, 2003.
MLA (9th ed.) AtıfGibson, Robert Lewis, ve Marianne Mitchell. Introduction to Counseling and Guidance. 6th ed. Merrill/Prentice Hall, 2003.
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