Cita APA (7th ed.)
Gupta, N., Ray, S., & Sobh, T. M. (2009). Online engineering. Nova Science.
Cita Chicago (17th ed.)
Gupta, Navarun, Saikat Ray, i Tarek M. Sobh. Online Engineering. Hauppauge, N.Y.: Nova Science, 2009.
Cita MLA (9th ed.)
Gupta, Navarun, et al. Online Engineering. Nova Science, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.