Cita APA

Demers, M. N. (2005). Fundamentals of geographic information systems. John Wiley & Sons.

Chicago Edition Citation

Demers, Michael N. Fundamentals of Geographic Information Systems. USA: John Wiley & Sons, 2005.

Cita MLA

Demers, Michael N. Fundamentals of Geographic Information Systems. John Wiley & Sons, 2005.