Dyfyniad APA

Gorr, W. L., & Kurland, K. S. (2017). GIS tutorial 1 for ArcGIS Pro: A platform workbook. Esri Press.

Dyfyniad Arddull Chicago

Gorr, Wilpen L., and Kristen Seamens Kurland. GIS Tutorial 1 for ArcGIS Pro: A Platform Workbook. NewYork: Esri Press, 2017.

Dyfyniad MLA

Gorr, Wilpen L., and Kristen Seamens Kurland. GIS Tutorial 1 for ArcGIS Pro: A Platform Workbook. Esri Press, 2017.

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