Hansen,Pierre. (1987). Systems of cities and facility location. Harwood Academic.
シカゴスタイル引用形Hansen,Pierre. Systems of Cities and Facility Location. London: Harwood Academic, 1987.
MLA引用形式Hansen,Pierre. Systems of Cities and Facility Location. Harwood Academic, 1987.
警告: この引用は必ずしも正確ではありません.