APA aipamena

(1996). Manual on GIS for planners and decision makers. United Nations.

Chicago Style aipamena

Manual on GIS for Planners and Decision Makers. New York: United Nations, 1996.

MLA aipamena

Manual on GIS for Planners and Decision Makers. United Nations, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.