National Research Council (U.S.). Space Studies Board & ebrary, Inc. (2001). Annual report 2000. National Academy Press.
芝加哥风格引文National Research Council (U.S.). Space Studies Board 与 Inc ebrary. Annual Report 2000. Washington, D.C.: National Academy Press, 2001.
MLA引文National Research Council (U.S.). Space Studies Board 与 Inc ebrary. Annual Report 2000. National Academy Press, 2001.
警告：这些引文格式不一定是100％准确.