Harmon, J. E. (2003). The Design and Implementation of Geographic Information Systems. Wiley & Sons, Inc..
Chicago Stili AlıntıHarmon, John E.. The Design and Implementation of Geographic Information Systems. Wiley & Sons, Inc., 2003.
MLA AlıntıHarmon, John E.. The Design and Implementation of Geographic Information Systems. Wiley & Sons, Inc., 2003.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..