APA استشهاد

Gupta, P. C. (2006). Data communications and computer networks. PHI.

استشهاد بنمط شيكاغو

Gupta, Prakash C. Data Communications and Computer Networks. New Delhi: PHI, 2006.

MLA استشهاد

Gupta, Prakash C. Data Communications and Computer Networks. PHI, 2006.