Young, R. R. (2001). Effective requirements practices. Addison-Wesley.
芝加哥风格引文Young, Ralph R. Effective Requirements Practices. Boston, MA: Addison-Wesley, 2001.
MLA引文Young, Ralph R. Effective Requirements Practices. Addison-Wesley, 2001.
警告：这些引文格式不一定是100％准确.