Gaya APA

Sidarta, E, M., Wellenhof, H. (2008). GNSS=Global Navigation Satellite Systems, GPS, Glonass, Galileo and more . New York: Springer Wien.

Gaya MLA

Sidarta, Edward, McSweeney,., Wellenhof, Hofmann. "GNSS=Global Navigation Satellite Systems, GPS, Glonass, Galileo and more". New York: Springer Wien, 2008. Text.