O'SULLIVIAN, P. (1981). Geographical economics. John Wiley and Sons.
芝加哥风格引文O'SULLIVIAN, Patrick. Geographical Economics. New York: John Wiley and Sons, 1981.
MLA引文O'SULLIVIAN, Patrick. Geographical Economics. John Wiley and Sons, 1981.
警告：这些引文格式不一定是100％准确.