Dyfyniad APA
Dangermond, J. (2010). GIS for Building and Managing Infrastructure. ESRI.
Dyfyniad Arddull Chicago
Dangermond, Jack. GIS for Building and Managing Infrastructure. United States of America: ESRI, 2010.
Dyfyniad MLA
Dangermond, Jack. GIS for Building and Managing Infrastructure. ESRI, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.