^"Rank Insignia". afm.gov.mt. Armed Forces of Malta. Retrieved 26 May 2021.
^"Government Notice"(PDF). Government Gazette of the Republic of Namibia. Vol. 4547. 20 August 2010. pp. 99–102. Retrieved 20 December 2021.
^"Badges of Rank"(PDF). nzdf.mil.nz. New Zealand Defence Force. Retrieved 28 July 2022.
^Smaldone, Joseph P. (1992). "National Security". In
Metz, Helen Chapin (ed.).
Nigeria: a country study. Area Handbook (5th ed.). Washington, D.C.: Library of Congress. pp. 296–297.
LCCN92009026. Retrieved 21 October 2021.
^"الرتب العسكرية" [Military ranks]. mod.gov.sd/ (in Arabic). Republic of Sudan Ministry of Defence. Archived from
the original on 19 November 2019. Retrieved 1 July 2021.
^"Rank Insignia". afm.gov.mt. Armed Forces of Malta. Retrieved 26 May 2021.
^"Government Notice"(PDF). Government Gazette of the Republic of Namibia. Vol. 4547. 20 August 2010. pp. 99–102. Retrieved 20 December 2021.
^"Badges of Rank"(PDF). nzdf.mil.nz. New Zealand Defence Force. Retrieved 28 July 2022.
^Smaldone, Joseph P. (1992). "National Security". In
Metz, Helen Chapin (ed.).
Nigeria: a country study. Area Handbook (5th ed.). Washington, D.C.: Library of Congress. pp. 296–297.
LCCN92009026. Retrieved 21 October 2021.
^"الرتب العسكرية" [Military ranks]. mod.gov.sd/ (in Arabic). Republic of Sudan Ministry of Defence. Archived from
the original on 19 November 2019. Retrieved 1 July 2021.