Serviço Aéreo do Exército dos Estados Unidos (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Serviço Aéreo do Exército dos Estados Unidos" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

439^th place

891^st place

af.mil

afhra.af.mil

Greer, Thomas H. (1985). USAF Historical Study 89, The Development of Air Doctrine in the Army Air Arm, 1917–1941 (PDF). Maxwell Air Force Base: Center For Air Force History. Consultado em 10 de novembro de 2010 , p. 149, Appendix 2 Redesignations of the Army Air Arm, 1907-1942.