Παραπομπή APA

Singal, P. K. (2010). Basics of mechanical engineering. I K International publishing house.

Παραπομπή Chicago Style

Singal, P K. Basics of Mechanical Engineering. New Delhi: I K International publishing house, 2010.

Παραπομπή MLA

Singal, P K. Basics of Mechanical Engineering. I K International publishing house, 2010.