Cita APA (7th ed.)
ebrary, Inc. (1994). Promoting the national spatial data infrastructure through partnerships. National Academy Press.
Cita Chicago (17th ed.)
ebrary, Inc. Promoting the National Spatial Data Infrastructure Through Partnerships. Washington, D.C.: National Academy Press, 1994.
Cita MLA (9th ed.)
ebrary, Inc. Promoting the National Spatial Data Infrastructure Through Partnerships. National Academy Press, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.