Não informado. (1974). Land use planning abstracts. Environment Information Center.
Chicagoスタイル(17版)引用形式Não informado. Land Use Planning Abstracts. New York: Environment Information Center, 1974.
MLA(8版)引用形式Não informado. Land Use Planning Abstracts. Environment Information Center, 1974.
警告: この引用は必ずしも正確ではありません.