Dyfyniad APA

Open Geospatial Data, Software and Standards. Springer International Publishing.

Dyfyniad Arddull Chicago

Open Geospatial Data, Software and Standards. Springer International Publishing.

Dyfyniad MLA

Open Geospatial Data, Software and Standards. Springer International Publishing.

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