Não informado. (1975). Chilton's oil and gas energy. Chilton Book.
Chicagoスタイル(17版)引用形式Não informado. Chilton's Oil and Gas Energy. Radnor, Pa: Chilton Book, 1975.
MLA(8版)引用形式Não informado. Chilton's Oil and Gas Energy. Chilton Book, 1975.
警告: この引用は必ずしも正確ではありません.