Não informado. (2014). Mining, People and the Environment. Aspermont.
Chicagoスタイル(17版)引用形式Não informado. Mining, People and the Environment. London: Aspermont, 2014.
MLA(8版)引用形式Não informado. Mining, People and the Environment. Aspermont, 2014.
警告: この引用は必ずしも正確ではありません.