Hofmann-Wellenhof, B., Collins, J., & Lichtenegger, H. (2001). Global Positioning System: Theory and practice (5th, rev. ed.). New York: Springer-Verlag.
Dyfyniad Arddull ChicagoHofmann-Wellenhof, B., James Collins, và Herbert Lichtenegger. Global Positioning System: Theory and Practice. 5th, rev. ed. New York: Springer-Verlag, 2001.
Dyfyniad MLAHofmann-Wellenhof, B., James Collins, và Herbert Lichtenegger. Global Positioning System: Theory and Practice. 5th, rev. ed. New York: Springer-Verlag, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.