Não informado. (2022). American Mining Congress Journal. American Mining Congress.
Chicagoスタイル(17版)引用形式Não informado. American Mining Congress Journal. Washington: American Mining Congress, 2022.
MLA(8版)引用形式Não informado. American Mining Congress Journal. American Mining Congress, 2022.
警告: この引用は必ずしも正確ではありません.