Batty, M., Marble, D. F., & Yeh, A. G. (1995). Training manual on geographic information systems in local/regional planning. United Nations Centre for Regional Development.
Cita Chicago Style (17a ed.)Batty, Michael, Duane Francis Marble, y Anthony Gar-On Yeh. Training Manual on Geographic Information Systems in Local/regional Planning. Nagoya: United Nations Centre for Regional Development, 1995.
Cita MLA (9a ed.)Batty, Michael, et al. Training Manual on Geographic Information Systems in Local/regional Planning. United Nations Centre for Regional Development, 1995.
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