APA استشهاد

Grewal, B. S. (2004). Higher engineering mathematics (Ed.38.). Khanna.

استشهاد بنمط شيكاغو

Grewal, B S. Higher Engineering Mathematics. Ed.38. Delhi: Khanna, 2004.

MLA استشهاد

Grewal, B S. Higher Engineering Mathematics. Ed.38. Khanna, 2004.