Kotonya, G., & Sommerville, I. (1998). Requirements engineering: Processes and techniques. John Wiley.
芝加哥风格引文Kotonya, Gerald, 与 Ian Sommerville. Requirements Engineering: Processes and Techniques. Chichester: John Wiley, 1998.
MLA引文Kotonya, Gerald, 与 Ian Sommerville. Requirements Engineering: Processes and Techniques. John Wiley, 1998.
警告：这些引文格式不一定是100％准确.