Não informado. (1968). Gold bulletin: Research on gold ant its applications in industry. International Gold Corporation.
Chicago-Zitierstil (17. Ausg.)Não informado. Gold Bulletin: Research on Gold Ant Its Applications in Industry. Marshalltown, Africa do Sul: International Gold Corporation, 1968.
MLA-Zitierstil (8. Ausg.)Não informado. Gold Bulletin: Research on Gold Ant Its Applications in Industry. International Gold Corporation, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.