National Research Council (U.S.). Space Studies Board. Committee on Human Exploration. (1994). Scientific opportunities in the human exploration of space. National Academy Press.
芝加哥风格引文National Research Council (U.S.). Space Studies Board. Committee on Human Exploration. Scientific Opportunities in the Human Exploration of Space. Washington, D.C.: National Academy Press, 1994.
MLA引文National Research Council (U.S.). Space Studies Board. Committee on Human Exploration. Scientific Opportunities in the Human Exploration of Space. National Academy Press, 1994.
警告：这些引文格式不一定是100％准确.