Παραπομπή APA
Lewis, E. A. (1951). Laws relating to shipping and merchant marine. Washington: United States Government Printing Office.
Παραπομπή Chicago StyleLewis, Elmer A. Laws Relating to Shipping and Merchant Marine. Washington: United States Government Printing Office, 1951.
Παραπομπή MLALewis, Elmer A. Laws Relating to Shipping and Merchant Marine. Washington: United States Government Printing Office, 1951.
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