APA aipamena

Gorr, W. L. (2006). Learning and using geographic information systems: ArcExplorer edition. Boston, MA: Thomson Course Technology.

Chicago Style aipamena

Gorr, Wilpen L. Learning and Using Geographic Information Systems: ArcExplorer Edition. Boston, MA: Thomson Course Technology, 2006.

MLA aipamena

Gorr, Wilpen L. Learning and Using Geographic Information Systems: ArcExplorer Edition. Boston, MA: Thomson Course Technology, 2006.

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