^"Grados militares". minfar.gob.cu (in Spanish). Ministry of the Revolutionary Armed Forces (Cuba). Retrieved 28 May 2021.
^"Tripulantes". armada.mil.ec (in Spanish). Ecuadorian Navy. Retrieved 28 May 2021.
^"Grados Militares". fuerzaarmada.mil.sv (in Spanish). Ministry of National Defense of El Salvador. Archived from the original on 4 March 2021. Retrieved 29 May 2021.
^Flores, Edmundo (1995). "National Security". In Merrill, Tim (ed.). Honduras: a country study. Area Handbook (3rd ed.). Washington, D.C.: Library of Congress. pp. 232–233. LCCN94043036. Retrieved 21 October 2021.
^Cooke, Melinda W. (1990). "Chapter 5: National Security". In Hanratty, Dennis M.; Meditz, Sandra W. (eds.). Paraguay: A Country Study. Area Handbook Series (2nd ed.). Library of Congress. pp. 216–217. LCCN89600299. Retrieved 5 October 2021.
^"Grados Militares". ccffaa.mil.pe (in Spanish). Joint Command of the Armed Forces of Peru. Retrieved 29 May 2021.
^"Army Ranks & Insignia". Ejército de Tierra. Ministry of Defence (Spain). Retrieved 30 May 2021.
^Hudson, Rex A.; Meditz, Sandra W., eds. (1992). "Chapter 5. National Security". Uruguay: A Country Study(PDF) (2nd ed.). Federal Research Division, Library of Congress. pp. 222–223. ISBN0-8444-0737-2. Retrieved 13 June 2021.