APA
Gupta R.B, . (1987). Fundamental of Engineering Drawing. New Delhi: Sathya Prakashan, NewDelhi.
Chicago
Gupta R.B, . 1987. Fundamental of Engineering Drawing. New Delhi: Sathya Prakashan, NewDelhi.
Harvard
Gupta R.B, . (1987). Fundamental of Engineering Drawing. New Delhi: Sathya Prakashan, NewDelhi.
MLA
Gupta R.B, . Fundamental of Engineering Drawing. New Delhi: Sathya Prakashan, NewDelhi. 1987.