Tham khảo Boeing_XP-9

Tham khảo Boeing_XP-9

Ghi chú

↑ Yenne, Bill. World's Worst Aircraft. Greenwich, CT: Dorset Press, 1990. ISBN 0-88029-490-6
1 2 Pedigree of Champions: Boeing Since 1916 1969
↑ Baugher, Joe. Boeing XP-9. 6 tháng 6 năm 1998. Lưu trữ 2005-12-27 tại Wayback Machine Access date: 17 tháng 3 năm 2007.
1 2 3 Eden and Moeng 2002, p. 74-77.
↑ Eden and Moeng 2002, p. 321.

Tài liệu

Eden, Paul and Moeng, Soph. The Complete Encyclopedia of World Aircraft. London: Amber Books Ltd., 2002. ISBN 0-7607-3432-1.
Pedigree of Champions: Boeing Since 1916, Third Edition (booklet). Seattle, WA: The Boeing Company, 1969.

Liên quan

Boeing B-52 Stratofortress Boeing 747 Boeing 767 Boeing B-17 Flying Fortress Boeing B-29 Superfortress Boeing 777 Boeing 787 Dreamliner Boeing Boeing F/A-18E/F Super Hornet Boeing B-47 Stratojet

Tài liệu tham khảo

WikiPedia: Boeing_XP-9 http://www.wpafb.af.mil/museum/research/p9.htm http://home.att.net/~jbaugher1/p9.html https://web.archive.org/web/20051227024148/http://... https://web.archive.org/web/20060225224447/http://...