Sommerville, I., & Sawyer, P. (1977). Requirements engineering: A good practice guide. Wiley.
Style de citation Chicago (17e éd.)Sommerville, Ian, et Pete Sawyer. Requirements Engineering: A Good Practice Guide. Chichester, Eng. ; New York ; New Delhi: Wiley, 1977.
Style de citation MLA (8e éd.)Sommerville, Ian, et Pete Sawyer. Requirements Engineering: A Good Practice Guide. Wiley, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.