Gaya APA

Hofmann-Wellenhof, B. et al (2001). Global Positioning System (GPS) : Theory and Practice (Ed. 5 Revised). [s.l.]: Penerbit Wien : Springer.

Gaya MLA

Hofmann-Wellenhof, B.. et al. "Global Positioning System (GPS) : Theory and Practice". Ed. 5 Revised [s.l.]: Penerbit Wien : Springer, 2001. Text.