Citazione Stile APA (7a Edizione)

Hayes , J. (2003). Interpersonal skills at work. Vikas Pub.

Citazione stile Chigago Style (17a edizione)

Hayes , John. Interpersonal Skills at Work. New Delhi: Vikas Pub, 2003.

Citatione MLA (9a ed.)

Hayes , John. Interpersonal Skills at Work. Vikas Pub, 2003.