Allen, D. W. (2011). GIS tutorial 3: Advanced workbook. ESRI Press.
Chicago Style (17th ed.) CitationAllen, David W. GIS Tutorial 3: Advanced Workbook. Redlands, Calif: ESRI Press, 2011.
MLA引文Allen, David W. GIS Tutorial 3: Advanced Workbook. ESRI Press, 2011.
警告:這些引文格式不一定是100%准確.