Παραπομπή APA

Grewal, B. S., & Grewal, J. S. (1997). Higher Engineering Mathematics. Khanna Publishers.

Παραπομπή Chicago Style

Grewal, B S., και J S. Grewal. Higher Engineering Mathematics. Delhi: Khanna Publishers, 1997.

Παραπομπή MLA

Grewal, B S., και J S. Grewal. Higher Engineering Mathematics. Khanna Publishers, 1997.