.Lo, C. P., & .Yeung, A. K. W. (2007). Concepts and techniques of geographic information systems (2nd ed.). Pearson Prentice Hall.
Chicago Style (17. basım) Atıf.Lo, C. P., ve Albert K. W. .Yeung. Concepts and Techniques of Geographic Information Systems. 2nd ed. .Upper Saddle River, NJ: Pearson Prentice Hall, 2007.
MLA (9th ed.) Atıf.Lo, C. P., ve Albert K. W. .Yeung. Concepts and Techniques of Geographic Information Systems. 2nd ed. Pearson Prentice Hall, 2007.
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