APA (7th ed.) Zitazioa

(1996). Manual on gis for planners and decision makers. United Nations; Bangkok.

Chicago Style (17th ed.) Zitazioa

Manual on Gis for Planners and Decision Makers. New York: United Nations; Bangkok, 1996.

MLA (9th ed.) Zitazioa

Manual on Gis for Planners and Decision Makers. United Nations; Bangkok, 1996.