APA引文

National Research Council (U.S.). Committee on the Future of the Global Positioning System & National Research Council (U.S.). Commission on Engineering and Technical Systems. (1995). The Global Positioning System: A shared national asset : recommendations for technical improvements and enhancements. National Academy Press.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Committee on the Future of the Global Positioning System and National Research Council (U.S.). Commission on Engineering and Technical Systems. The Global Positioning System: A Shared National Asset : Recommendations for Technical Improvements and Enhancements. Washington, D.C.: National Academy Press, 1995.

MLA引文

National Research Council (U.S.). Committee on the Future of the Global Positioning System and National Research Council (U.S.). Commission on Engineering and Technical Systems. The Global Positioning System: A Shared National Asset : Recommendations for Technical Improvements and Enhancements. National Academy Press, 1995.