Cita APA (7th ed.)
Bhatt, N. D., & Panchal, V. M. (2001). Machine drawing (36th ed.). Charotar Pub.
Cita Chicago (17th ed.)
Bhatt, N. D., i V. M. Panchal. Machine Drawing. 36th ed. Anand,India: Charotar Pub, 2001.
Cita MLA (9th ed.)
Bhatt, N. D., i V. M. Panchal. Machine Drawing. 36th ed. Charotar Pub, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.