Dyfyniad APA
National Research Council (U.S.). Committee on the Future of the Global Positioning System & ebrary, Inc. (1995). The global positioning system: A shared national asset : recommendations for technical improvements and enhancements. National Academy Press.
Dyfyniad Arddull Chicago
National Research Council (U.S.). Committee on the Future of the Global Positioning System and Inc ebrary. The Global Positioning System: A Shared National Asset : Recommendations for Technical Improvements and Enhancements. Washington, D.C.: National Academy Press, 1995.
Dyfyniad MLA
National Research Council (U.S.). Committee on the Future of the Global Positioning System and Inc ebrary. The Global Positioning System: A Shared National Asset : Recommendations for Technical Improvements and Enhancements. National Academy Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.