CHANG, K. (2016). Introduction to geographic information systems. McGraw-Hill Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCHANG, Kang-Tsung. Introduction to Geographic Information Systems. McGraw-Hill Education, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCHANG, Kang-Tsung. Introduction to Geographic Information Systems. McGraw-Hill Education, 2016.
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