Cita APA (7th ed.)

Sommerville & Ian. (2001). Software Engineering (817808497X.). Pearson Education.

Cita Chicago (17th ed.)

Sommerville i Ian. Software Engineering. 817808497X. Harlow / New Delhi: Pearson Education, 2001.

Cita MLA (9th ed.)

Sommerville i Ian. Software Engineering. 817808497X. Pearson Education, 2001.