"Air Power Intelligence: Aviación Naval Paraguaya". International Air Power Review. Spring 2003. p. 14. ISBN1-880588-54-4. ISSN1473-9917.
Niccoli, Riccardo (May–June 1998). "Portuguese Numerology: Serial systems used by the Aeronautica Militar and the Força Aerea Portuguesa". Air Enthusiast. No. 75. p. 38. ISSN0143-5450.