Sommerville, I. (2004). Software engineering. New York: Pearson Addison Wesley.
Chicago Style aipamenaSommerville, Ian. Software Engineering. New York: Pearson Addison Wesley, 2004.
MLA aipamenaSommerville, Ian. Software Engineering. New York: Pearson Addison Wesley, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.