1998–2011 (页面存档备份,存于互联网档案馆) Ministry of National Defence Compulsory basic military service discontinued. Ministry of National Defence. [2009-03-09]. (原始内容存档于2010-06-26)
與船艦等;軟實力在力量投射上的運用仍需硬實力的支持。 US Department of Defense. The Dictionary of Military Terms. New York: Skyhorse Publishing. 2013 [2023-07-21]. ISBN 9781628730197
Kansas, 1992. ISBN 0-7006-0748-X. Eicher, David J. The Longest Night: A Military History of the Civil War. New York: Simon & Schuster, 2001. ISBN 0-684-84944-5
ISBN 0-620-30685-8 South African Military Colours – 1664 to 26 April 1994 Part II Vol.2 – Military Colours of the Union Defence Forces and of the South