Northrop XP-56 Black Bullet (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Northrop XP-56 Black Bullet" in Italian language version.

refsWebsite

Global rank Italian rank

215^th place

4^th place

google.it

books.google.it

(EN) Dennis R. Jenkins e Don Pyeatt, Experimental and Prototype U.S. Air Force Jet Fighters, Specialty Press, 30 aprile 2008, ISBN 978-1-58007-111-6. URL consultato il 4 dicembre 2020.