Não informado. (1975). Minerals and Metals Review. Asian Industry and Information Services.
Chicago-Zitierstil (17. Ausg.)Não informado. Minerals and Metals Review. Bombay, India: Asian Industry and Information Services, 1975.
MLA-Zitierstil (8. Ausg.)Não informado. Minerals and Metals Review. Asian Industry and Information Services, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.