National Research Council (U.S.). Space Studies Board. Committee on Human Exploration. (1997). The human exploration of space. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)National Research Council (U.S.). Space Studies Board. Committee on Human Exploration. The Human Exploration of Space. Washington, D.C.: National Academy Press, 1997.
MLA -ийн эшлэл (9 дэх хэвлэлт)National Research Council (U.S.). Space Studies Board. Committee on Human Exploration. The Human Exploration of Space. National Academy Press, 1997.
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