ASHWORTH, A., & ASHWORTH, A. (1996). Pre-contract Studies. Addison Wesley Longman.
Cita Chicago Style (17a ed.)ASHWORTH, Allan, y Allan ASHWORTH. Pre-contract Studies. Addison Wesley Longman, 1996.
Cita MLA (8a ed.)ASHWORTH, Allan, y Allan ASHWORTH. Pre-contract Studies. Addison Wesley Longman, 1996.
Precaución: Estas citas no son 100% exactas.