Easton, T. A. (2007). Taking sides (12th ed.). McGraw-Hill Contemporary Learning Series.
芝加哥风格引文Easton, Thomas A. Taking Sides. 12th ed. Dubuque, Iowa: McGraw-Hill Contemporary Learning Series, 2007.
MLA引文Easton, Thomas A. Taking Sides. 12th ed. McGraw-Hill Contemporary Learning Series, 2007.
警告:这些引文格式不一定是100%准确.