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Northrop F-20 Tigershark Đặc điểm kỹ thuật(F-20)Thực đơn
Northrop F-20 Tigershark Đặc điểm kỹ thuật(F-20)Liên quan
Northrop Grumman B-2 Spirit Northrop F-5 Northrop Grumman RQ-4 Global Hawk Northrop P-61 Black Widow Northrop Grumman Northrop YF-23 Northrop Grumman B-21 Raider Northrop F-20 Tigershark Northrop YF-17 Northrop Grumman E-2 HawkeyeTài liệu tham khảo
WikiPedia: Northrop F-20 Tigershark http://www.f20a.com/ http://www.f20a.com/f20faq.htm http://query.nytimes.com/gst/fullpage.html?res=950... http://select.nytimes.com/gst/abstract.html?res=F5... http://www.nationalmuseum.af.mil/factsheets/factsh... http://www.casciencectr.org/Exhibits/AirAndSpace/A... https://commons.wikimedia.org/wiki/F-20_Tigershark...