Scally, R. (2006). GIS for environmental management. Redlands, Calif.: ESRI Press : Independent Publishers Group (IPG) [distributor].
Trích dẫn kiểu ChicagoScally, Robert. GIS for Environmental Management. Redlands, Calif.: ESRI Press : Independent Publishers Group (IPG) [distributor], 2006.
Deismireacht MLAScally, Robert. GIS for Environmental Management. Redlands, Calif.: ESRI Press : Independent Publishers Group (IPG) [distributor], 2006.
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