Não informado. (1977). Coastal engineering technical aid. U.S. Army Coastal Engineering Research Center.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Coastal Engineering Technical Aid. Fort Belvoir, Va: U.S. Army Coastal Engineering Research Center, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Coastal Engineering Technical Aid. U.S. Army Coastal Engineering Research Center, 1977.
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