Civil engineer guide to fighting positions, shelters, obstacles, and revetments.
APA Citation
United States. Dept. of the Air Force. (2008). Civil engineer guide to fighting positions, shelters, obstacles, and revetments. [Washington, D.C.]: Dept. of the Air Force.
MLA Citation
United States. Dept. of the Air Force. Civil Engineer Guide to Fighting Positions, Shelters, Obstacles, And Revetments. [Washington, D.C.]: Dept. of the Air Force, 2008.
Warning: These citations may not always be complete (especially for serials).