APA-referens

Lakshminarayanan, V. . .., & Mathur, M. L. (1989). Text book of machine drawing (7.). Jain Brothers.

Chicago-stil citat

Lakshminarayanan, V ., och M L. Mathur. Text Book of Machine Drawing. 7. New Delhi: Jain Brothers, 1989.

MLA-referens

Lakshminarayanan, V ., och M L. Mathur. Text Book of Machine Drawing. 7. Jain Brothers, 1989.