Bell 47 (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Bell 47" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

1flightglobal.com

223^rd place

550^th place

flightglobal.com

World Market Helicopter - FLIGHT International pág. 49, Ed. de 11 de julho de 1968. flightglobal.com (em inglês).