Polski Rejestr Statków. (2006). Rules for classification and construction of sea-going ships. Polski Rejestr Statków.
Citazione stile Chigago Style (17a edizione)Polski Rejestr Statków. Rules for Classification and Construction of Sea-going Ships. Gdańsk: Polski Rejestr Statków, 2006.
Citatione MLA (9a ed.)Polski Rejestr Statków. Rules for Classification and Construction of Sea-going Ships. Polski Rejestr Statków, 2006.
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