Cita APA (7th ed.)
ebrary, Inc. (2001). National spatial data infrastructure partnership programs: Rethinking the focus. National Academy Press.
Cita Chicago (17th ed.)
ebrary, Inc. National Spatial Data Infrastructure Partnership Programs: Rethinking the Focus. Washington, D.C.: National Academy Press, 2001.
Cita MLA (9th ed.)
ebrary, Inc. National Spatial Data Infrastructure Partnership Programs: Rethinking the Focus. National Academy Press, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.