National Research Council (U.S.). Committee on the Preservation of Geoscience Data and Collections & ebrary, Inc. (2002). Geoscience data and collections: National resources in peril. National Academies Press.
Cytowanie według stylu Chicago (wyd. 17)National Research Council (U.S.). Committee on the Preservation of Geoscience Data and Collections i Inc ebrary. Geoscience Data and Collections: National Resources in Peril. Washington, D.C.: National Academies Press, 2002.
Cytowanie według stylu MLA (wyd. 9)National Research Council (U.S.). Committee on the Preservation of Geoscience Data and Collections i Inc ebrary. Geoscience Data and Collections: National Resources in Peril. National Academies Press, 2002.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..