Não informado. (1977). Coastal engineering technical aid. U.S. Army Coastal Engineering Research Center.
Cita Chicago Style (17a ed.)Não informado. Coastal Engineering Technical Aid. Fort Belvoir, Va: U.S. Army Coastal Engineering Research Center, 1977.
Cita MLA (8a ed.)Não informado. Coastal Engineering Technical Aid. U.S. Army Coastal Engineering Research Center, 1977.
Precaución: Estas citas no son 100% exactas.