Ballard, J. S. (1982). Development and employment of fixed-wing gunships, 1962-1972. Office of Air Force History, U.S. Air Force : For sale by the Supt. of Docs., U.S. G.P.O..
Chicago Style (17th ed.) CitationBallard, Jack Stokes. Development and Employment of Fixed-wing Gunships, 1962-1972. Washington, D.C.: Office of Air Force History, U.S. Air Force : For sale by the Supt. of Docs., U.S. G.P.O., 1982.
MLA (8th ed.) CitationBallard, Jack Stokes. Development and Employment of Fixed-wing Gunships, 1962-1972. Office of Air Force History, U.S. Air Force : For sale by the Supt. of Docs., U.S. G.P.O., 1982.
Warning: These citations may not always be 100% accurate.