Não informado. (1985). Offshore Fleet Economics. Offshore Data Services.
Chicagoスタイル(17版)引用形式Não informado. Offshore Fleet Economics. Houston, Tex: Offshore Data Services, 1985.
MLA(8版)引用形式Não informado. Offshore Fleet Economics. Offshore Data Services, 1985.
警告: この引用は必ずしも正確ではありません.