ball Desmond and Babbage Ross. (1989). Geographic information systems: Defence applications. Pergamon.
シカゴスタイル引用形ball Desmond and Babbage Ross. Geographic Information Systems: Defence Applications. Australia: Pergamon, 1989.
MLA引用形式ball Desmond and Babbage Ross. Geographic Information Systems: Defence Applications. Pergamon, 1989.
警告: この引用は必ずしも正確ではありません.