Shashi Shekhar. (2003). Spatial databases: A tour. Upper Saddle River, NJ: Prentice-Hall.
シカゴスタイル引用形Shashi Shekhar. Spatial Databases: A Tour. Upper Saddle River, NJ: Prentice-Hall, 2003.
MLA引用形式Shashi Shekhar. Spatial Databases: A Tour. Upper Saddle River, NJ: Prentice-Hall, 2003.
警告: この引用は必ずしも正確ではありません.