Dyfyniad APA
ebrary, Inc. (1998). Maintaining U.S. leadership in aeronautics: Breakthrough technologies to meet future air and space transportation needs and goals. National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc. Maintaining U.S. Leadership in Aeronautics: Breakthrough Technologies to Meet Future Air and Space Transportation Needs and Goals. Washington, D.C.: National Academy Press, 1998.
Dyfyniad MLA
ebrary, Inc. Maintaining U.S. Leadership in Aeronautics: Breakthrough Technologies to Meet Future Air and Space Transportation Needs and Goals. National Academy Press, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.