Gibson, R. L., & Mitchell, M. (2008). Introduction to Counseling and Guidance (7th ed.). Pearson/Merrill/Prentice Hall.
Dyfyniad Arddull ChicagoGibson, Robert L., and Marianne Mitchell. Introduction to Counseling and Guidance. 7th ed. Upper Saddle River, N.J.: Pearson/Merrill/Prentice Hall, 2008.
Dyfyniad MLAGibson, Robert L., and Marianne Mitchell. Introduction to Counseling and Guidance. 7th ed. Pearson/Merrill/Prentice Hall, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.