Παραπομπή APA

Grewal, B. S., & Grewal, J. S. (2003). Higher engineering mathematics (13 ed.). Khanna Publishers.

Παραπομπή Chicago Style

Grewal, B S., και J S. Grewal. Higher Engineering Mathematics. 13 ed. NewDelhi: Khanna Publishers, 2003.

Παραπομπή MLA

Grewal, B S., και J S. Grewal. Higher Engineering Mathematics. 13 ed. Khanna Publishers, 2003.