APA-referens (7:e uppl.)
ebrary, Inc. (1994). Promoting the national spatial data infrastructure through partnerships. National Academy Press.
Chicago-referens (17:e uppl.)
ebrary, Inc. Promoting the National Spatial Data Infrastructure Through Partnerships. Washington, D.C.: National Academy Press, 1994.
MLA-referens (9:e uppl.)
ebrary, Inc. Promoting the National Spatial Data Infrastructure Through Partnerships. National Academy Press, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.