Sommerville, I. (2004). Software engineering (7th ed.). Addison-Wesley,; Pearson Education.
Lua i Stíl Chicago (17ú heag.)Sommerville, Ian. Software Engineering. 7th ed. Harlow, England ; New York : New Delhi: Addison-Wesley,; Pearson Education, 2004.
Lua MLA (8ú heag.)Sommerville, Ian. Software Engineering. 7th ed. Addison-Wesley,; Pearson Education, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.