Não informado. (1968). Gold bulletin: Research on gold ant its applications in industry. International Gold Corporation.
Chicagoスタイル(17版)引用形式Não informado. Gold Bulletin: Research on Gold Ant Its Applications in Industry. Marshalltown, Africa do Sul: International Gold Corporation, 1968.
MLA(8版)引用形式Não informado. Gold Bulletin: Research on Gold Ant Its Applications in Industry. International Gold Corporation, 1968.
警告: この引用は必ずしも正確ではありません.