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lccn.loc.gov
Dolan, Ronald E. (1999). "National Security". In Worden, Robert L. (ed.). Japan: a country study. Area Handbook (5th ed.). Washington, D.C.: Library of Congress. p. 449. LCCN91029874. Retrieved 12 February 2024.
Minnich, James M. (2008). "National Security". In Worden, Robert L. (ed.). North Korea: a country study. Area Handbook (5th ed.). Washington, D.C.: Library of Congress. pp. 266, 268. LCCN2008028547. Retrieved 20 October 2021.
Katz, Rodney P. (1992). "National Security". In Savada, Andrea Matles; Shaw, William (eds.). South Korea: a country study. Area Handbook (4th ed.). Washington, D.C.: Library of Congress. p. 292. LCCN91039109. Retrieved 2 January 2022.
Pike, Douglas (1989). "National Security". In Cima, Ronald J. (ed.). Vietnam: a country study. Area Handbook (1st ed.). Washington, D.C.: Library of Congress. p. 256. LCCN88600482. Retrieved 31 December 2023.
mod.go.jp
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web.archive.org
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"Lùhǎikōng jūnfú zhì tiáolì fù tú" 陸海空軍服制條例附圖 [Drawings of the Uniform Regulations of the Army, Navy and Air Force] (PDF). Gazette of the Presidential Palace (6769): 65–67. 7 November 1996. Archived from the original(PDF) on 6 March 2017. Retrieved 15 August 2022.