Παραπομπή APA

Keith Cowling. (1975). Adverstising and economics behaviour. Macmillan.

Παραπομπή Chicago Style

Keith Cowling. Adverstising and Economics Behaviour. London: Macmillan, 1975.

Παραπομπή MLA

Keith Cowling. Adverstising and Economics Behaviour. Macmillan, 1975.