O'Sullivan, A. (2019). Urban economics (Ninth edition.). McGraw-Hill Education.
芝加哥风格引文O'Sullivan, Arthur. Urban Economics. Ninth edition. New York: McGraw-Hill Education, 2019.
MLA引文O'Sullivan, Arthur. Urban Economics. Ninth edition. McGraw-Hill Education, 2019.
警告：这些引文格式不一定是100％准确.