Cita APA (7a ed.)

Grady, J. O. (2014). System requirements analysis (Second edition.). Elsevier.

Cita Chicago Style (17a ed.)

Grady, Jeffrey O. System Requirements Analysis. Second edition. Boston, MA: Elsevier, 2014.

Cita MLA (8a ed.)

Grady, Jeffrey O. System Requirements Analysis. Second edition. Elsevier, 2014.