SpringerLink (Online service) & Navratil, G. (2009). Research trends in geographic information science. Springer. https://doi.org/10.1007/978-3-540-88244-2
Dyfyniad Arddull ChicagoSpringerLink (Online service) and Gerhard Navratil. Research Trends in Geographic Information Science. Berlin, Heidelberg: Springer, 2009. https://doi.org/10.1007/978-3-540-88244-2.
Dyfyniad MLASpringerLink (Online service) and Gerhard Navratil. Research Trends in Geographic Information Science. Springer, 2009. https://doi.org/10.1007/978-3-540-88244-2.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.