Institut für Seeverkehrswirtschaft und Logistik & Institute of Shipping Economics and Logistics. Shipping statistics yearbook. Institute of Shipping Economics.
Chicago Style (17. basım) AtıfInstitut für Seeverkehrswirtschaft und Logistik ve Institute of Shipping Economics and Logistics. Shipping Statistics Yearbook. Bremen, [Germany]: Institute of Shipping Economics.
MLA (9th ed.) AtıfInstitut für Seeverkehrswirtschaft und Logistik ve Institute of Shipping Economics and Logistics. Shipping Statistics Yearbook. Institute of Shipping Economics.
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