Não informado. (1972). Offshore services and technology. Spearhead Publications.
Chicagoスタイル(17版)引用形式Não informado. Offshore Services and Technology. Surrey, Inglaterra: Spearhead Publications, 1972.
MLA(8版)引用形式Não informado. Offshore Services and Technology. Spearhead Publications, 1972.
警告: この引用は必ずしも正確ではありません.