Não informado. (2000). Technical report. U.S. Army Engineer Waterways Experiment Station.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Technical Report. Vicksburg, Miss: U.S. Army Engineer Waterways Experiment Station, 2000.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Technical Report. U.S. Army Engineer Waterways Experiment Station, 2000.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.