National Research Council (U.S.). Space Studies Board. Aeronautics and Space Engineering Board. Division on Engineering and Physical Sciences & ebrary, Inc. (2004). Issues and opportunities regarding the U.S. space program: A summary report of a workshop on national space policy. National Academies Press.
芝加哥风格引文National Research Council (U.S.). Space Studies Board. Aeronautics and Space Engineering Board. Division on Engineering and Physical Sciences 与 Inc ebrary. Issues and Opportunities Regarding the U.S. Space Program: A Summary Report of a Workshop on National Space Policy. Washington, D.C.: National Academies Press, 2004.
MLA引文National Research Council (U.S.). Space Studies Board. Aeronautics and Space Engineering Board. Division on Engineering and Physical Sciences 与 Inc ebrary. Issues and Opportunities Regarding the U.S. Space Program: A Summary Report of a Workshop on National Space Policy. National Academies Press, 2004.