Kotonya, G., & Sommerville, I. (1998). Requirements engineering: Processes and techniques. Chichester: John Wiley and Sons.
استشهاد بنمط شيكاغوKotonya, Gerald., و Ian Sommerville. Requirements Engineering: Processes and Techniques. Chichester: John Wiley and Sons, 1998.
MLA استشهادKotonya, Gerald., و Ian Sommerville. Requirements Engineering: Processes and Techniques. Chichester: John Wiley and Sons, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.