Gupta, R. B. (1972). A textbook of machine drawing. Satya Prakashan.
Citación estilo ChicagoGupta, R B. A Textbook of Machine Drawing. New Delhi: Satya Prakashan, 1972.
Cita MLAGupta, R B. A Textbook of Machine Drawing. Satya Prakashan, 1972.
Warning: These citations may not always be 100% accurate.