Παραπομπή APA

Grewal, B. S., & Grewal, J. S. (2012). Higher Engineering Mathematics (42nd ed.). Khanna Publishers.

Παραπομπή Chicago Style

Grewal, B S., και J S. Grewal. Higher Engineering Mathematics. 42nd ed. Delhi: Khanna Publishers, 2012.

Παραπομπή MLA

Grewal, B S., και J S. Grewal. Higher Engineering Mathematics. 42nd ed. Khanna Publishers, 2012.