Huxhold, W. E., Levinsohn, A. G., & Levinsohn, A. G. (1995). Managing geographic information system projects. New York: Oxford University Press.
Παραπομπή Chicago StyleHuxhold, William E., A. G. Levinsohn, and Allan G. Levinsohn. Managing Geographic Information System Projects. New York: Oxford University Press, 1995.
Παραπομπή MLAHuxhold, William E., A. G. Levinsohn, and Allan G. Levinsohn. Managing Geographic Information System Projects. New York: Oxford University Press, 1995.
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