APA استشهاد

Sadhu Singh. (2006). Theory of machines (2nd ed.). Pearson Education.

استشهاد بنمط شيكاغو

Sadhu Singh. Theory of Machines. 2nd ed. Delhi: Pearson Education, 2006.

MLA استشهاد

Sadhu Singh. Theory of Machines. 2nd ed. Pearson Education, 2006.