Παραπομπή APA

Institute of Shipping Economics and Logistics, B. (1956). Shipping Statistics: Statistik Der Schiffahrt. Bremen: Institute of Shipping Economics and Logistics.

Παραπομπή Chicago Style

Institute of Shipping Economics and Logistics, Bremen. Shipping Statistics: Statistik Der Schiffahrt. Bremen: Institute of Shipping Economics and Logistics, 1956.

Παραπομπή MLA

Institute of Shipping Economics and Logistics, Bremen. Shipping Statistics: Statistik Der Schiffahrt. Bremen: Institute of Shipping Economics and Logistics, 1956.

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