Enger, E., & Smith, B. (1995). Pollution and policy. McGraw-Hill.
芝加哥风格引文Enger, Eldon, 与 Bradley Smith. Pollution and Policy. Boston: McGraw-Hill, 1995.
MLA引文Enger, Eldon, 与 Bradley Smith. Pollution and Policy. McGraw-Hill, 1995.
警告：这些引文格式不一定是100％准确.