Παραπομπή APA

Robbins, S. P. (2008). Training in interpersonal skills (4th ed.). Prentice hall of India.

Παραπομπή Chicago Style

Robbins, Stephen P. Training in Interpersonal Skills. 4th ed. New Delhi: Prentice hall of India, 2008.

Παραπομπή MLA

Robbins, Stephen P. Training in Interpersonal Skills. 4th ed. Prentice hall of India, 2008.