Unesco. (1975). The conservation of cities. Croom Helm, Unesco.
Chicagoスタイル(17版)引用形式Unesco. The Conservation of Cities. London, Paris: Croom Helm, Unesco, 1975.
MLA(9版)引用形式Unesco. The Conservation of Cities. Croom Helm, Unesco, 1975.
警告: この引用は必ずしも正確ではありません.