Não informado. (1968). Gold bulletin: Research on gold ant its applications in industry. International Gold Corporation.
Cita Chicago Style (17a ed.)Não informado. Gold Bulletin: Research on Gold Ant Its Applications in Industry. Marshalltown, Africa do Sul: International Gold Corporation, 1968.
Cita MLA (8a ed.)Não informado. Gold Bulletin: Research on Gold Ant Its Applications in Industry. International Gold Corporation, 1968.
Precaución: Estas citas no son 100% exactas.