Não informado. (1971). Minerals and Mineral Products. Commonwealth Bureau of Census and Statistics.
Cita Chicago Style (17a ed.)Não informado. Minerals and Mineral Products. Canberra: Commonwealth Bureau of Census and Statistics, 1971.
Cita MLA (8a ed.)Não informado. Minerals and Mineral Products. Commonwealth Bureau of Census and Statistics, 1971.
Precaución: Estas citas no son 100% exactas.