APA (7th ed.) Zitazioa
ebrary, Inc. (2001). National spatial data infrastructure partnership programs: Rethinking the focus. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc. National Spatial Data Infrastructure Partnership Programs: Rethinking the Focus. Washington, D.C.: National Academy Press, 2001.
MLA (9th ed.) Zitazioa
ebrary, Inc. National Spatial Data Infrastructure Partnership Programs: Rethinking the Focus. National Academy Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.