Crouch, T. D., & Jakab, P. L. (2003). The Wright brothers and the invention of the aerial age. National Geographic, Smithsonian National Air and Space Museum.
Dyfyniad Arddull ChicagoCrouch, Tom D., and Peter L. Jakab. The Wright Brothers and the Invention of the Aerial Age. Washington, D.C: National Geographic, Smithsonian National Air and Space Museum, 2003.
Dyfyniad MLACrouch, Tom D., and Peter L. Jakab. The Wright Brothers and the Invention of the Aerial Age. National Geographic, Smithsonian National Air and Space Museum, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.