DeMers, M. N. (2009). Fundamentals of geographic information systems (Forth edition.). Wiley.
芝加哥风格引文DeMers, Michael N. Fundamentals of Geographic Information Systems. Forth edition. Hoboken, NJ ; India: Wiley, 2009.
MLA引文DeMers, Michael N. Fundamentals of Geographic Information Systems. Forth edition. Wiley, 2009.
警告：这些引文格式不一定是100％准确.