Josef Duda: Porovnání verzí

* ''Váňa, Josef - Sigmund, John - Madior, Emil: Příslušníci československého letectva v RAF'' - heslo: Duda, Josef, s. 31, 158, 169, 191, 213, MNO-Avis, Praha 1999 {{ISBN|80-86049-58-2}}

* ''Wynn, Kenneth G.: Men of the Battle of Britain-60th - The Pilots and Aicrew from throughout the British Empire and her Allies who flew with the RAF Fighter Command, between July 10th and October 31 1940'' - heslo: Duda, Josef, C.B.E. s. 142, Anniversary Edition CCB Associates RAF,W.E. Baxter Ltd. East Sussex, England 1999 {{ISBN|094-78-9325-3}}

 

{{Portály|Letectví|Lidé}}