APA引文

Gupta, R. B. (1972). A textbook of machine drawing. Satya Prakashan.

Chicago Edition Citation

Gupta, R B. A Textbook of Machine Drawing. New Delhi: Satya Prakashan, 1972.

MLA引文

Gupta, R B. A Textbook of Machine Drawing. Satya Prakashan, 1972.

警告：這些引文格式不一定是100％准確.