Παραπομπή APA
Winters, T. L. (1977). Deepwater ports in the United States: An economic and environmental impact study. New York: Praeger.
Παραπομπή Chicago StyleWinters, Tobey L. Deepwater Ports in the United States: An Economic and Environmental Impact Study. New York: Praeger, 1977.
Παραπομπή MLAWinters, Tobey L. Deepwater Ports in the United States: An Economic and Environmental Impact Study. New York: Praeger, 1977.
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