Dyfyniad APA

(1996). ArcView GIS and ArcGIS: The Geographic information system for Everyone. USA: United States of America.

Dyfyniad Arddull Chicago

ArcView GIS and ArcGIS: The Geographic Information System for Everyone. USA: United States of America, 1996.

Dyfyniad MLA

ArcView GIS and ArcGIS: The Geographic Information System for Everyone. USA: United States of America, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.