Sigfried, S. (1996). Understanding object-oriented software engineering. IEEE Press.
芝加哥风格引文Sigfried, Stefan. Understanding Object-oriented Software Engineering. Piscataway, N.J: IEEE Press, 1996.
MLA引文Sigfried, Stefan. Understanding Object-oriented Software Engineering. IEEE Press, 1996.
警告：这些引文格式不一定是100％准确.