Não informado. (2018). Research Report S. U.S. Army Engineer Waterways Experiment Station.
Chicago-Zitierstil (17. Ausg.)Não informado. Research Report S. Vicksburg, Miss: U.S. Army Engineer Waterways Experiment Station, 2018.
MLA-Zitierstil (8. Ausg.)Não informado. Research Report S. U.S. Army Engineer Waterways Experiment Station, 2018.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.