Polski Rejestr Statków. (2008). Rules for classification and construction of sea-going ships: Amendments no. 1/2008 to part VI - Machinery installations and refrigerating plants, 2007. PRS.
Citazione stile Chigago Style (17a edizione)Polski Rejestr Statków. Rules for Classification and Construction of Sea-going Ships: Amendments No. 1/2008 to Part VI - Machinery Installations and Refrigerating Plants, 2007. Gdańsk: PRS, 2008.
Citatione MLA (9a ed.)Polski Rejestr Statków. Rules for Classification and Construction of Sea-going Ships: Amendments No. 1/2008 to Part VI - Machinery Installations and Refrigerating Plants, 2007. PRS, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.