Clarke, K. C. (2001). Getting started with geographic information systems (3rd ed.). Prentice Hall.
芝加哥风格引文Clarke, Keith C. Getting Started with Geographic Information Systems. 3rd ed. Upper Saddle River, N.J: Prentice Hall, 2001.
MLA引文Clarke, Keith C. Getting Started with Geographic Information Systems. 3rd ed. Prentice Hall, 2001.
警告：这些引文格式不一定是100％准确.