APA (7th ed.) Zitazioa
Scally, R. (2006). GIS for environmental management. ESRI Press : Independent Publishers Group (IPG) [distributor].
Chicago Style (17th ed.) Zitazioa
Scally, Robert. GIS for Environmental Management. Redlands, Calif.: ESRI Press : Independent Publishers Group (IPG) [distributor], 2006.
MLA (9th ed.) Zitazioa
Scally, Robert. GIS for Environmental Management. ESRI Press : Independent Publishers Group (IPG) [distributor], 2006.
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