Burrough, P. A., & Mc Donnell, R. A. (2010). Principles of geographical information systems.
Chicago Style aipamenaBurrough, Peter A., and Rachael A. Mc Donnell. Principles of Geographical Information Systems. New York, Oxford University Press, 2010.
MLA aipamenaBurrough, Peter A., and Rachael A. Mc Donnell. Principles of Geographical Information Systems. 2010.
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