APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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