Παραπομπή APA

Hofmann-Wellenhof, B., & Lichtenegger, H. C. (2001). Global positioning system: Theory and practice (5th rev. ed.). Verlag.

Παραπομπή Chicago Style

Hofmann-Wellenhof, B., και H. Collins Lichtenegger. Global Positioning System: Theory and Practice. 5th rev. ed. New York: Verlag, 2001.

Παραπομπή MLA

Hofmann-Wellenhof, B., και H. Collins Lichtenegger. Global Positioning System: Theory and Practice. 5th rev. ed. Verlag, 2001.