APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.