Dyfyniad APA

Narayanan, P. I. A., & Subrahmanyan, N. N. (1959). Beneficiation of low grade manganese ores of India. Council of Scientific & Industrial Research.

Dyfyniad Arddull Chicago

Narayanan, P. I. A., and N. N. Subrahmanyan. Beneficiation of Low Grade Manganese Ores of India. New Delhi: Council of Scientific & Industrial Research, 1959.

Dyfyniad MLA

Narayanan, P. I. A., and N. N. Subrahmanyan. Beneficiation of Low Grade Manganese Ores of India. Council of Scientific & Industrial Research, 1959.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.