APA استشهاد

Grewal, B. S., & Grewal, J. S. (2007). Higher Engineering Mathematics (40th ed.). Khanna Publishers.

استشهاد بنمط شيكاغو

Grewal, B S., و J S. Grewal. Higher Engineering Mathematics. 40th ed. Delhi: Khanna Publishers, 2007.

MLA استشهاد

Grewal, B S., و J S. Grewal. Higher Engineering Mathematics. 40th ed. Khanna Publishers, 2007.