Cita APA (7a ed.)
Hearn, P. (1979). Successful negotiation of commercial contracts. Oyez.
Cita Chicago Style (17a ed.)
Hearn, Patrick. Successful Negotiation of Commercial Contracts. London: Oyez, 1979.
Cita MLA (9a ed.)
Hearn, Patrick. Successful Negotiation of Commercial Contracts. Oyez, 1979.
Precaución: Estas citas no son 100% exactas.