Gupta, N., Ray, S., & Sobh, T. M. (2009). Online engineering. Nova Science.
芝加哥风格引文Gupta, Navarun, Saikat Ray, 与 Tarek M. Sobh. Online Engineering. Hauppauge, N.Y.: Nova Science, 2009.
MLA引文Gupta, Navarun, et al. Online Engineering. Nova Science, 2009.
警告：这些引文格式不一定是100％准确.