National Research Council (U.S.). Space Studies Board & ebrary, Inc. (2001). Annual report 2000. National Academy Press.
Chicago-čujuhus (17. p.)National Research Council (U.S.). Space Studies Board juo Inc ebrary. Annual Report 2000. Washington, D.C.: National Academy Press, 2001.
MLA-čujuhus (9. p.)National Research Council (U.S.). Space Studies Board juo Inc ebrary. Annual Report 2000. National Academy Press, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.