Robertson, J. (2015). Requirements: The Masterclass (1st edition.). Addison-Wesley Professional.
Cita Chicago Style (17a ed.)Robertson, James. Requirements: The Masterclass. 1st edition. Addison-Wesley Professional, 2015.
Cita MLA (9a ed.)Robertson, James. Requirements: The Masterclass. 1st edition. Addison-Wesley Professional, 2015.
Precaución: Estas citas no son 100% exactas.
