APA-referens (7:e uppl.)
Scally, R. (2006). GIS for environmental management. ESRI Press : Independent Publishers Group (IPG) [distributor].
Chicago-referens (17:e uppl.)
Scally, Robert. GIS for Environmental Management. Redlands, Calif.: ESRI Press : Independent Publishers Group (IPG) [distributor], 2006.
MLA-referens (9:e uppl.)
Scally, Robert. GIS for Environmental Management. ESRI Press : Independent Publishers Group (IPG) [distributor], 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.