Kennedy, M. (2013). Introducing geographic information systems with ArcGIS: A workbook approach to learning GIS (Third edition.). Wiley.
Citace podle Chicago (17th ed.)Kennedy, Michael. Introducing Geographic Information Systems with ArcGIS: A Workbook Approach to Learning GIS. Third edition. Hoboken, New Jersey: Wiley, 2013.
Citace podle MLA (9th ed.)Kennedy, Michael. Introducing Geographic Information Systems with ArcGIS: A Workbook Approach to Learning GIS. Third edition. Wiley, 2013.
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