Frizzelle, B. G., Page, P. H., Spencer, J., & Vogler, J. B. (2003). Global positioning system a field guide for the social sciences.
Chicago Edition CitationFrizzelle, Brian G., Philip H. Page, John Spencer, i John B. Vogler. Global Positioning System a Field Guide for the Social Sciences. London, Blackwell science, 2003.
Cita MLAFrizzelle, Brian G., et al. Global Positioning System a Field Guide for the Social Sciences. 2003.
Atenció: Aquestes cites poden no estar 100% correctes.