International Shipping Federation. (2020). Maritime Ship Registers & Ship Management Services. Informa Group.
Chicagoスタイル(17版)引用形式International Shipping Federation. Maritime Ship Registers & Ship Management Services. London: Informa Group, 2020.
MLA(8版)引用形式International Shipping Federation. Maritime Ship Registers & Ship Management Services. Informa Group, 2020.
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