Robbins, S. P. (2008). Training in interpersonal skills (4th ed.). Prentice hall of India.
Dyfyniad Arddull ChicagoRobbins, Stephen P. Training in Interpersonal Skills. 4th ed. New Delhi: Prentice hall of India, 2008.
Dyfyniad MLARobbins, Stephen P. Training in Interpersonal Skills. 4th ed. Prentice hall of India, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.