National Research Council (U.S.). Space Studies Board, National Academy Press (U.S.), & ebrary, Inc. (1999). Annual report. National Academy Press.
Citazione stile Chigago Style (17a edizione)National Research Council (U.S.). Space Studies Board, National Academy Press (U.S.), e Inc ebrary. Annual Report. Washington, D.C.: National Academy Press, 1999.
Citatione MLA (9a ed.)National Research Council (U.S.). Space Studies Board, et al. Annual Report. National Academy Press, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.