Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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