American Society of Civil Engineers. Waterway, Port, Coastal, and Ocean Division. (1977). Ports' 77: 4th annual symposium of the Waterway, Port, Coastal and Ocean Division of ASCE, Long Beach, California, March 9-11, 1977. The Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Society of Civil Engineers. Waterway, Port, Coastal, and Ocean Division. Ports' 77: 4th Annual Symposium of the Waterway, Port, Coastal and Ocean Division of ASCE, Long Beach, California, March 9-11, 1977. New York: The Society, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAmerican Society of Civil Engineers. Waterway, Port, Coastal, and Ocean Division. Ports' 77: 4th Annual Symposium of the Waterway, Port, Coastal and Ocean Division of ASCE, Long Beach, California, March 9-11, 1977. The Society, 1977.
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