Gehani, N., & McGettrick, A. D. (1986). Software specification techniques. Addison-Wesley.
芝加哥风格引文Gehani, Narain, 与 Andrew D. McGettrick. Software Specification Techniques. Workingham, England ; Reading, Mass.: Addison-Wesley, 1986.
MLA引文Gehani, Narain, 与 Andrew D. McGettrick. Software Specification Techniques. Addison-Wesley, 1986.
警告：这些引文格式不一定是100％准确.