Παραπομπή APA

Newton , J. (1959). Extractive metallurgy. Wiley eastern Pvt Ltd.

Παραπομπή Chicago Style

Newton , Joseph. Extractive Metallurgy. New Delhi: Wiley eastern Pvt Ltd, 1959.

Παραπομπή MLA

Newton , Joseph. Extractive Metallurgy. Wiley eastern Pvt Ltd, 1959.