APA Цитирование

Kotonya, G., & Sommerville, I. (1998). Requirements engineering: Processes and techniques. Chichester: John Wiley and Sons.

Chicago-стиль цитирования

Kotonya, Gerald., và Ian Sommerville. Requirements Engineering: Processes and Techniques. Chichester: John Wiley and Sons, 1998.

MLA-цитирование

Kotonya, Gerald., và Ian Sommerville. Requirements Engineering: Processes and Techniques. Chichester: John Wiley and Sons, 1998.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.