Παραπομπή APA

Bali, N. P. (2007). A Textbook of engineering mathematics (7th ed.). Laxmi Publications.

Παραπομπή Chicago Style

Bali, N P. A Textbook of Engineering Mathematics. 7th ed. N.Delhi: Laxmi Publications, 2007.

Παραπομπή MLA

Bali, N P. A Textbook of Engineering Mathematics. 7th ed. Laxmi Publications, 2007.