APA-viite (7. p.)
ebrary, Inc. (1997). A new science strategy for space astronomy and astrophysics. National Academy Press.
Chicago-viite (17. p.)
ebrary, Inc. A New Science Strategy for Space Astronomy and Astrophysics. Washington, D.C.: National Academy Press, 1997.
MLA-viite (9. p.)
ebrary, Inc. A New Science Strategy for Space Astronomy and Astrophysics. National Academy Press, 1997.
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