United States. USAF Historical Division. (1978). Comparative history of research and development policies affecting air materiel, 1915-1944. Military affairs/Aerospace historian.
Chicago Style (17th ed.) CitationUnited States. USAF Historical Division. Comparative History of Research and Development Policies Affecting Air Materiel, 1915-1944. Manhattan, Kan.: Military affairs/Aerospace historian, 1978.
MLA (9th ed.) CitationUnited States. USAF Historical Division. Comparative History of Research and Development Policies Affecting Air Materiel, 1915-1944. Military affairs/Aerospace historian, 1978.
Warning: These citations may not always be 100% accurate.