Gaya APA

Marsden, J, O., House, C, L. (2006). The Chemistry of Gold Extraction Second Edition . United States of America: Society for Mining, Metallurgy, and Exploration (SME).

Gaya MLA

Marsden, John, O., House, C., Lain. "The Chemistry of Gold Extraction Second Edition". United States of America: Society for Mining, Metallurgy, and Exploration (SME), 2006. Text.