Não informado. (2020). Shipbuilding & Marine Engineering International. Whitehall Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Shipbuilding & Marine Engineering International. London: Whitehall Press, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Shipbuilding & Marine Engineering International. Whitehall Press, 2020.
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