Não informado. (1935). Planning and Civic Comment. National Conference on State Parks.
Chicagoスタイル(17版)引用形式Não informado. Planning and Civic Comment. Washington: National Conference on State Parks, 1935.
MLA(8版)引用形式Não informado. Planning and Civic Comment. National Conference on State Parks, 1935.
警告: この引用は必ずしも正確ではありません.