Douglas World Cruiser: Perbedaan antara revisi

* Francillon, René J. ''McDonnell Douglas Aircraft Since 1920: Volume I''. London: Putnam, 1979. ISBN 0-87021-428-4.

* Haber, Barbara Angle. ''The National Air and Space Museum.'' London: Bison Group, 1995. ISBN 1-85841-088-6.

* Ogden,Bob. ''Great Aircraft Collections of the World''. New York: Gallery Books, 1986. ISBN 1-85627-012-2.

* Stoff, Joshua. ''Transatlantic Flight: A Picture History, 1873–1939.'' Mineoloa, New York: Dover publications, Inc., 2000. ISBN 0-486-40727-6.

{{Refend}}

 

{{Commons category|Douglas World Cruiser}}

* [http://www.afa.org/magazine/sept1999/0999around.asp Carroll V. Glines, "Around the World", ''Air Force Magazine'' , Vol. 82, No. 9, September 1999]

{{Douglas aircraft}}

{{pesawat-stub}}

[[Kategori:Pesawat terbang Douglas]]