Snider, A. D. (1979). Introduction to international economics (7th ed.). Richard D.Irwin.
芝加哥风格引文Snider, A. Delbert. Introduction to International Economics. 7th ed. Illinois: Richard D.Irwin, 1979.
MLA引文Snider, A. Delbert. Introduction to International Economics. 7th ed. Richard D.Irwin, 1979.
警告：这些引文格式不一定是100％准确.