Lua APA (7ú heag.)
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.
Lua i Stíl Chicago (17ú heag.)
National Research Council (U.S.). Committee on Research Priorities for the USGS Center of Excellence for Geospatial Information Science agus Inc ebrary. A Research Agenda for Geographic Information Science at the United States Geological Survey. Washington, D.C.: National Academies Press, 2007.
Lua MLA (9ú heag.)
National Research Council (U.S.). Committee on Research Priorities for the USGS Center of Excellence for Geospatial Information Science agus Inc ebrary. A Research Agenda for Geographic Information Science at the United States Geological Survey. National Academies Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.