APA ציטוט

DeMERS, M. N. (1997). Fundamentals of geographic information systems. John Wiley and Sons.

Chicago Style (17th ed.) Citation

DeMERS, Michael N. Fundamentals of Geographic Information Systems. New York: John Wiley and Sons, 1997.

ציטוט MLA

DeMERS, Michael N. Fundamentals of Geographic Information Systems. John Wiley and Sons, 1997.