Παραπομπή APA

Grewal,B.S, & Grewal, J. (1998). Higher engineering mathematics (34th ed.). Khanna publishers.

Παραπομπή Chicago Style

Grewal,B.S, και J.S Grewal. Higher Engineering Mathematics. 34th ed. Delhi: Khanna publishers, 1998.

Παραπομπή MLA

Grewal,B.S, και J.S Grewal. Higher Engineering Mathematics. 34th ed. Khanna publishers, 1998.