Παραπομπή APA

Davis, D. E. (1999). GIS for everyone: Exploring your neighborhood and your world with a geographic information system. Redlands, CA.: Environmental Systems Research Institute, Inc.

Παραπομπή Chicago Style

Davis, David E. GIS for Everyone: Exploring Your Neighborhood and Your World With a Geographic Information System. Redlands, CA.: Environmental Systems Research Institute, Inc, 1999.

Παραπομπή MLA

Davis, David E. GIS for Everyone: Exploring Your Neighborhood and Your World With a Geographic Information System. Redlands, CA.: Environmental Systems Research Institute, Inc, 1999.

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