Παραπομπή APA

Maritime Economic Research Centre. (1980). Manual of maritime statistics: Seaborne trade, shipping, shipbuilding and ports (3rd ed.). Rotterdam: Netherlands Maritime Institute.

Παραπομπή Chicago Style

Maritime Economic Research Centre. Manual of Maritime Statistics: Seaborne Trade, Shipping, Shipbuilding and Ports. 3rd ed. Rotterdam: Netherlands Maritime Institute, 1980.

Παραπομπή MLA

Maritime Economic Research Centre. Manual of Maritime Statistics: Seaborne Trade, Shipping, Shipbuilding and Ports. 3rd ed. Rotterdam: Netherlands Maritime Institute, 1980.

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