Cita APA (7th ed.)
National Research Council (U.S.). Committee on Space Shuttle Upgrades & ebrary, Inc. (1999). Upgrading the space shuttle. National Academy Press.
Cita Chicago (17th ed.)
National Research Council (U.S.). Committee on Space Shuttle Upgrades i Inc ebrary. Upgrading the Space Shuttle. Washington, D.C.: National Academy Press, 1999.
Cita MLA (9th ed.)
National Research Council (U.S.). Committee on Space Shuttle Upgrades i Inc ebrary. Upgrading the Space Shuttle. National Academy Press, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.