Não informado. (1977). Coastal engineering technical aid. U.S. Army Coastal Engineering Research Center.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Coastal Engineering Technical Aid. Fort Belvoir, Va: U.S. Army Coastal Engineering Research Center, 1977.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Coastal Engineering Technical Aid. U.S. Army Coastal Engineering Research Center, 1977.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.
