Tohutoro APA (7th ed.)
Kennedy, M. The Global Positioning System and GIS: An Introduction. University of Michigan.
Tohutoru Kātū Chicago (17th ed.)
Kennedy, Michael. The Global Positioning System and GIS: An Introduction. Chelsea, EUA: University of Michigan.
Tohutoro MLA (9th ed.)
Kennedy, Michael. The Global Positioning System and GIS: An Introduction. University of Michigan.
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