3Department of War. Abstract of Infantry Tactics ; includingExercises and Manoeuvres of Light-infantry and Riflemen;for the Use of the Militia of the United States[M]. Boston:Hilliard, Gray, Little and Wilkins, 1830 : 14.
4Daniel K E. Educating Noncommissioned Officers : AChronological Study on the Development of EducationalPrograms for U. S. Army Noncommissioned Officers [EB/OL]. [2016 - 0 8 - 17]. http://www. ncohistory. com.
5Jarod A P. “ Backbone Basics: 234 Years of ArmyLeadership” [J]. Fires, 2009( July - August) :7 -8.
6Daniel K E. Educating Noncommissioned Officers: AChronological Study on the Development of EducationalPrograms for U. S. Army Noncommissioned Officers [EB/OL]. [2016 - 0 8 - 17]. http ://www. ncohistory. com.
7Daniel K E. Educating Noncommissioned Officers : A Chronological Study on the Development of EducationalPrograms for U. S. Army Noncommissioned Officers [EB/OL]. [2016 - 0 8 - 17]. http ://www. ncohistory. com.
8Daniel K E. Educating Noncommissioned Officers : AChronological Study on the Development of EducationalPrograms for U. S. Army Noncommissioned Officers [EB/OL]. [2016 - 0 8 - 17]. http ://www. ncohistory. com.
9George G A. Air Force Noncommissioned OfficerProfessional Military Education: A Blueprint for the Future[R]. Maxwell AFB: Air War College, Air University.1986:8 -11.
10Daniel K E. Educating Noncommissioned Officers : AChronological Study on the Development of EducationalPrograms for U. S. Army Noncommissioned Officers [EB/OL]. [2016 - 0 8 - 17]. http ://www. ncohistory. com.