"Rank Structure". gafonline.mil.gh. Ghana Air Force. 2018. Archived from the original on 21 January 2018. Retrieved 3 March 2024.
lac.org.na
"Government Notice"(PDF). Government Gazette of the Republic of Namibia. Vol. 4547. 20 August 2010. pp. 99–102. Retrieved 20 December 2021.
loc.gov
loc.gov
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.
lccn.loc.gov
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.
mil.bd
joinbangladeshairforce.mil.bd
"OFFICER'S RANKS". joinbangladeshairforce.mil.bd. Archived from the original on 19 February 2020. Retrieved 11 October 2020.