Dyfyniad APA
ebrary, Inc. (1997). Protecting the space shuttle from meteoroids and orbital debris. National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc. Protecting the Space Shuttle from Meteoroids and Orbital Debris. Washington, D.C.: National Academy Press, 1997.
Dyfyniad MLA
ebrary, Inc. Protecting the Space Shuttle from Meteoroids and Orbital Debris. National Academy Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.