(2008). The U.S. army corps of engineers: A history (2. ed.). Headquarters, U.S. Army Corps of Engineers, Office of History.
Chicago-Zitierstil (17. Ausg.)The U.S. Army Corps of Engineers: A History. 2. ed. Alexandria, VA: Headquarters, U.S. Army Corps of Engineers, Office of History, 2008.
MLA-Zitierstil (9. Ausg.)The U.S. Army Corps of Engineers: A History. 2. ed. Headquarters, U.S. Army Corps of Engineers, Office of History, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.