Citazione Stile APA (7a Edizione)

Venugopal, K. &. R. (2015). A Textbook of Engineering Graphics (01st.). New Age International.

Citazione stile Chigago Style (17a edizione)

Venugopal, K. & Raja. A Textbook of Engineering Graphics. 01st. New Delhi: New Age International, 2015.

Citatione MLA (9a ed.)

Venugopal, K. & Raja. A Textbook of Engineering Graphics. 01st. New Age International, 2015.