Siegel, S. A. (1960). The law of open space: Legal aspects of acquiring or otherwise preserving open space in the tri-state New York metropolitan region. Regional Plan Association.
Chicagoスタイル(17版)引用形式Siegel, Shirley Adelson. The Law of Open Space: Legal Aspects of Acquiring or Otherwise Preserving Open Space in the Tri-state New York Metropolitan Region. New York: Regional Plan Association, 1960.
MLA(9版)引用形式Siegel, Shirley Adelson. The Law of Open Space: Legal Aspects of Acquiring or Otherwise Preserving Open Space in the Tri-state New York Metropolitan Region. Regional Plan Association, 1960.
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