Παραπομπή APA

Burnard, P. (2009). Interpersonal skills training: Book of activities. Viva Books.

Παραπομπή Chicago Style

Burnard, Philip. Interpersonal Skills Training: Book of Activities. New Delhi: Viva Books, 2009.

Παραπομπή MLA

Burnard, Philip. Interpersonal Skills Training: Book of Activities. Viva Books, 2009.