Παραπομπή APA

Hayes, J. (2002). Interpersonal skills at work2e (2nd ed.). Routledge.

Παραπομπή Chicago Style

Hayes, John. Interpersonal Skills at Work2e. 2nd ed. New York: Routledge, 2002.

Παραπομπή MLA

Hayes, John. Interpersonal Skills at Work2e. 2nd ed. Routledge, 2002.