SOMMERVILLE IAN. (2004). SOFTWARE ENGINEERING 7TH ED (7TH ED.). PEARSON EDUCATION.
Cita Chicago (17th ed.)SOMMERVILLE IAN. SOFTWARE ENGINEERING 7TH ED. 7TH ED. ESSEX: PEARSON EDUCATION, 2004.
Cita MLA (9th ed.)SOMMERVILLE IAN. SOFTWARE ENGINEERING 7TH ED. 7TH ED. PEARSON EDUCATION, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.