United States. Department of the Air Force. (2008). Civil engineer guide to fighting positions, shelters, obstacles, and revetments. Dept. of the Air Force.
Chicago Style (17th ed.) CitationUnited States. Department of the Air Force. Civil Engineer Guide to Fighting Positions, Shelters, Obstacles, and Revetments. [Washington, D.C.]: Dept. of the Air Force, 2008.
MLA (9th ed.) CitationUnited States. Department of the Air Force. Civil Engineer Guide to Fighting Positions, Shelters, Obstacles, and Revetments. Dept. of the Air Force, 2008.
Warning: These citations may not always be 100% accurate.