Não informado. (2020). Lloyd's Ship Manager & Shipping News International. Lloyd's of London Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Lloyd's Ship Manager & Shipping News International. London: Lloyd's of London Press, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Lloyd's Ship Manager & Shipping News International. Lloyd's of London Press, 2020.
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