APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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