Kennedy, M. (2009). Introducing geographic information systems with ARCGIS: A workbook approach to learning GIS (2nd ed.). Wiley.
Chicago-viite (17. p.)Kennedy, Michael. Introducing Geographic Information Systems with ARCGIS: A Workbook Approach to Learning GIS. 2nd ed. Hoboken, N.J: Wiley, 2009.
MLA-viite (9. p.)Kennedy, Michael. Introducing Geographic Information Systems with ARCGIS: A Workbook Approach to Learning GIS. 2nd ed. Wiley, 2009.
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