APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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

Opozorilo: Ti citati niso vedno 100% točni.