217231 Ashworth, G. (1973). Encyclopedia of planning. London : Barrie and Jenkins.
芝加哥风格引文217231 Ashworth, Graham. Encyclopedia of Planning. London : Barrie and Jenkins, 1973.
MLA引文217231 Ashworth, Graham. Encyclopedia of Planning. London : Barrie and Jenkins, 1973.
警告：这些引文格式不一定是100％准确.