National Conference on City Planning (23rd : Rochester, N.Y.). (1931). Planning problems of town, city and region: Papers and discussions at the twenty-third National Conference on City Planning, held at Rochester, New York, June 22 to 24, 1931. W.F. Fell for the Conference.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Conference on City Planning (23rd : Rochester, N.Y.). Planning Problems of Town, City and Region: Papers and Discussions at the Twenty-third National Conference on City Planning, Held at Rochester, New York, June 22 to 24, 1931. Philadelphia: W.F. Fell for the Conference, 1931.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)National Conference on City Planning (23rd : Rochester, N.Y.). Planning Problems of Town, City and Region: Papers and Discussions at the Twenty-third National Conference on City Planning, Held at Rochester, New York, June 22 to 24, 1931. W.F. Fell for the Conference, 1931.