Dyfyniad APA
National Research Council (U.S.). Committee on Research Priorities for the USGS Center of Excellence for Geospatial Information Science & ebrary, Inc. (2007). A research agenda for geographic information science at the United States Geological Survey. National Academies Press.
Dyfyniad Arddull Chicago
National Research Council (U.S.). Committee on Research Priorities for the USGS Center of Excellence for Geospatial Information Science and Inc ebrary. A Research Agenda for Geographic Information Science at the United States Geological Survey. Washington, D.C.: National Academies Press, 2007.
Dyfyniad MLA
National Research Council (U.S.). Committee on Research Priorities for the USGS Center of Excellence for Geospatial Information Science and Inc ebrary. A Research Agenda for Geographic Information Science at the United States Geological Survey. National Academies Press, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.