Blewitt, G., & Taylor, G. (2006). Intelligent Positioning, GIS-GPS Unification ( Photostat copy).
Dyfyniad Arddull ChicagoBlewitt, Geoff, and George Taylor. Intelligent Positioning, GIS-GPS Unification ( Photostat Copy). NewYork, JhonWiley & Sons, 2006.
Dyfyniad MLABlewitt, Geoff, and George Taylor. Intelligent Positioning, GIS-GPS Unification ( Photostat Copy). 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.