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.
Παραπομπή σε μορφή Chicago (17η εκδ.)National Research Council (U.S.). Space Studies Board. Aeronautics and Space Engineering Board. Division on Engineering and Physical Sciences και 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.
Παραπομπή σε μορφή MLA (9th εκδ.)National Research Council (U.S.). Space Studies Board. Aeronautics and Space Engineering Board. Division on Engineering and Physical Sciences και 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.