APA (7th ed.) Zitazioa

DeMers, M. N. (2009). Fundamentals of geographic information systems (4a. ed.). John Wiley and Sons.

Chicago Style (17th ed.) Zitazioa

DeMers, Michael N. Fundamentals of Geographic Information Systems. 4a. ed. Hoboken: John Wiley and Sons, 2009.

MLA (9th ed.) Zitazioa

DeMers, Michael N. Fundamentals of Geographic Information Systems. 4a. ed. John Wiley and Sons, 2009.