APA-referens (7:e uppl.)

SOMMERVILLE IAN. (2011). SOFTWARE ENGINEERING (9TH ED.). PEARSON EDUCATION.

Chicago-referens (17:e uppl.)

SOMMERVILLE IAN. SOFTWARE ENGINEERING. 9TH ED. NEW DELHI: PEARSON EDUCATION, 2011.

MLA-referens (9:e uppl.)

SOMMERVILLE IAN. SOFTWARE ENGINEERING. 9TH ED. PEARSON EDUCATION, 2011.