Citazione Stile APA (7a Edizione)

Grewal B. S. & Grewal J. S. (2001). Higher engineering Mathematics (3-th ed.). Delhi, Khanna Publishers, 2001.

Citazione stile Chigago Style (17a edizione)

Grewal B. S. e Grewal J. S. Higher Engineering Mathematics. 3-th ed. Delhi, Khanna Publishers, 2001, 2001.

Citatione MLA (9a ed.)

Grewal B. S. e Grewal J. S. Higher Engineering Mathematics. 3-th ed. Delhi, Khanna Publishers, 2001, 2001.