Carkhuff,Robert. (1967). Source of gain in counseling and psychotherapy: Readings and commentry (ed.). Holt, Rinehart and Winston Inc..
Dyfyniad Arddull ChicagoCarkhuff,Robert. Source of Gain in Counseling and Psychotherapy: Readings and Commentry. ed. New York: Holt, Rinehart and Winston Inc., 1967.
Dyfyniad MLACarkhuff,Robert. Source of Gain in Counseling and Psychotherapy: Readings and Commentry. ed. Holt, Rinehart and Winston Inc., 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.