Varentsov, I. M. (1964). Sedimentary manganese ores. Elsevier publishing.
Chicago Edition CitationVarentsov, I. M. Sedimentary Manganese Ores. London: Elsevier publishing, 1964.
MLA引文Varentsov, I. M. Sedimentary Manganese Ores. Elsevier publishing, 1964.
警告:這些引文格式不一定是100%准確.