Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.