Não informado. (2023). Rock Products and Building Materials. Maclean Hunter.
Chicagoスタイル(17版)引用形式Não informado. Rock Products and Building Materials. Chicago, Ill: Maclean Hunter, 2023.
MLA(8版)引用形式Não informado. Rock Products and Building Materials. Maclean Hunter, 2023.
警告: この引用は必ずしも正確ではありません.