Παραπομπή APA

Singh, S., & Sah, P. L. (2003). Fundamentals of machine drawing. Prentice Halll.

Παραπομπή Chicago Style

Singh, Sadhu, και P. L. Sah. Fundamentals of Machine Drawing. New Delhi: Prentice Halll, 2003.

Παραπομπή MLA

Singh, Sadhu, και P. L. Sah. Fundamentals of Machine Drawing. Prentice Halll, 2003.