Jensen, R. R. (2014). Geographic information systems exercise workbook. Prentice Hall.
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芝加哥风格引文
Jensen, Ryan R. Geographic Information Systems Exercise Workbook. Boston, Mass: Prentice Hall, 2014.
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MLA引文
Jensen, Ryan R. Geographic Information Systems Exercise Workbook. Prentice Hall, 2014.
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警告：这些引文格式不一定是100％准确.