Shekhar, S., & Chawla, S. (2003). Spatial databases: A tour. Prentice Hall, ; Pearson Education.
芝加哥风格引文Shekhar, Shashi, 与 Sanjay Chawla. Spatial Databases: A Tour. Upper Saddle River, N.J. : New Delhi: Prentice Hall, ; Pearson Education, 2003.
MLA引文Shekhar, Shashi, 与 Sanjay Chawla. Spatial Databases: A Tour. Prentice Hall, ; Pearson Education, 2003.
警告：这些引文格式不一定是100％准确.