Não informado. (2018). Petroleum Equipment and Services. Associated Publishers.
Chicagoスタイル(17版)引用形式Não informado. Petroleum Equipment and Services. Dallas, Tex: Associated Publishers, 2018.
MLA(8版)引用形式Não informado. Petroleum Equipment and Services. Associated Publishers, 2018.
警告: この引用は必ずしも正確ではありません.