Cita APA (7th ed.)

Sommerville, I. (2011). Software engineering (9th ed.). Pearson.

Cita Chicago (17th ed.)

Sommerville, Ian. Software Engineering. 9th ed. Boston ; New Delhi: Pearson, 2011.

Cita MLA (8th ed.)

Sommerville, Ian. Software Engineering. 9th ed. Pearson, 2011.