Northrop YB-49 (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Northrop YB-49" in Vietnamese language version.

refsWebsite

Global rank Vietnamese rank

439^th place

621^st place

af.mil (Global: 439^th place; Vietnamese: 621^st place)

nationalmuseum.af.mil

"Fact sheet: Northrop YRB-49A." National Museum of the United States Air Force. Retrieved: ngày 29 tháng 10 năm 2010.