Dyfyniad APA

Harvey, F. (2016). A primer of GIS: Fundamental geographic and cartographic concepts (Second edition.). The Guilford Press.

Dyfyniad Arddull Chicago

Harvey, Francis. A Primer of GIS: Fundamental Geographic and Cartographic Concepts. Second edition. New York: The Guilford Press, 2016.

Dyfyniad MLA

Harvey, Francis. A Primer of GIS: Fundamental Geographic and Cartographic Concepts. Second edition. The Guilford Press, 2016.

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