Não informado. (1921). World tanker fleet review. John I. Jacobs and Company.
Chicagoスタイル(17版)引用形式Não informado. World Tanker Fleet Review. London: John I. Jacobs and Company, 1921.
MLA(8版)引用形式Não informado. World Tanker Fleet Review. John I. Jacobs and Company, 1921.
警告: この引用は必ずしも正確ではありません.