Não informado. (1971). Minerals and Mineral Products. Commonwealth Bureau of Census and Statistics.
Chicagoスタイル(17版)引用形式Não informado. Minerals and Mineral Products. Canberra: Commonwealth Bureau of Census and Statistics, 1971.
MLA(8版)引用形式Não informado. Minerals and Mineral Products. Commonwealth Bureau of Census and Statistics, 1971.
警告: この引用は必ずしも正確ではありません.