Kotonya, G. (1998). Requirements engineering: Processes and techniques. Wiley.
Cita Chicago (17th ed.)Kotonya, Gerald. Requirements Engineering: Processes and Techniques. Chichester: Wiley, 1998.
Cita MLA (9th ed.)Kotonya, Gerald. Requirements Engineering: Processes and Techniques. Wiley, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.