Kretchik, W. E. (2011). U.S. Army Doctrine: U.S. Army Doctrine. University Press of Kansas.
Cita Chicago Style (17a ed.)Kretchik, Walter E. U.S. Army Doctrine: U.S. Army Doctrine. Lawrence: University Press of Kansas, 2011.
Cita MLA (8a ed.)Kretchik, Walter E. U.S. Army Doctrine: U.S. Army Doctrine. University Press of Kansas, 2011.
Precaución: Estas citas no son 100% exactas.