APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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