Fricker, John; Tuttle, Rich (8 May 2003). "Profit margins in A400M engine program will be thin, official says". Aerospace Daily. Vol. 206, no. 28. p. 5. ISSN0193-4546.
Coniglio, Sergio (February 2010). "Military aircraft propulsion: Jets vs. props". Military Technology (MILTECH). Vol. 34, no. 2. Mönch Publishing Group. pp. 77–84. ISSN0722-3226. OCLC527912380.
Beauclair, Nicole (Summer 2004). "A400M production plans slot into place". Finance, markets & industry. Interavia Business & Technology. Vol. 59, no. 676. With contributions by Oliver Sutton. pp. 13–16. ISSN0020-5168. OCLC98909963.