Gibson, R. L., & Mitchell, M. (1995). Introduction to counseling and guidance (Fourth edition.). Merrill.
Cita Chicago (17th ed.)Gibson, Robert Lewis, i Marianne Mitchell. Introduction to Counseling and Guidance. Fourth edition. Englewood Cliffs, New Jersey: Merrill, 1995.
Cita MLA (9th ed.)Gibson, Robert Lewis, i Marianne Mitchell. Introduction to Counseling and Guidance. Fourth edition. Merrill, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.