Taylor, G., & Blewitt, G. (2006). Intelligent positioning: GIS-GPS unification. John Wiley & Sons, Inc. https://doi.org/10.1002/0470035668
Cita Chicago (17th ed.)Taylor, George, i Geoff Blewitt. Intelligent Positioning: GIS-GPS Unification. Chichester, West Sussex, England: John Wiley & Sons, Inc, 2006. https://doi.org/10.1002/0470035668.
Cita MLA (9th ed.)Taylor, George, i Geoff Blewitt. Intelligent Positioning: GIS-GPS Unification. John Wiley & Sons, Inc, 2006. https://doi.org/10.1002/0470035668.
Atenció: Aquestes cites poden no estar 100% correctes.