Παραπομπή APA

Institute of Shipping Economics and Logistics. (2010). Shipping statistics yearbook 2009. Bremen: Institute of Shipping Economics and Logistics.

Παραπομπή Chicago Style

Institute of Shipping Economics and Logistics. Shipping Statistics Yearbook 2009. Bremen: Institute of Shipping Economics and Logistics, 2010.

Παραπομπή MLA

Institute of Shipping Economics and Logistics. Shipping Statistics Yearbook 2009. Bremen: Institute of Shipping Economics and Logistics, 2010.

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