Παραπομπή APA

Khanna, O. P. (1999). A textbook of material science and metallurgy. Dhanpat Rai.

Παραπομπή Chicago Style

Khanna, O P. A Textbook of Material Science and Metallurgy. New Delhi: Dhanpat Rai, 1999.

Παραπομπή MLA

Khanna, O P. A Textbook of Material Science and Metallurgy. Dhanpat Rai, 1999.