Cita APA (7a ed.)
Hart, T., & Kirby, P. (1987). Buying print cost effectively. Gower.
Cita Chicago Style (17a ed.)
Hart, Tony, y Peter Kirby. Buying Print Cost Effectively. Hants, GU: Gower, 1987.
Cita MLA (9a ed.)
Hart, Tony, y Peter Kirby. Buying Print Cost Effectively. Gower, 1987.
Precaución: Estas citas no son 100% exactas.