Παραπομπή APA

Varentsov, I. M. (1964). Sedimentary manganese ores. Elsevier publishing.

Παραπομπή Chicago Style

Varentsov, I. M. Sedimentary Manganese Ores. London: Elsevier publishing, 1964.

Παραπομπή MLA

Varentsov, I. M. Sedimentary Manganese Ores. Elsevier publishing, 1964.