Walstad, W. B. (1996). Study guide to accompany McConnell and Brue macroeconomics (13th.ed.). McGraw-Hill.
芝加哥风格引文Walstad, William B. Study Guide to Accompany McConnell and Brue Macroeconomics. 13th.ed. New York: McGraw-Hill, 1996.
MLA引文Walstad, William B. Study Guide to Accompany McConnell and Brue Macroeconomics. 13th.ed. McGraw-Hill, 1996.
警告：这些引文格式不一定是100％准确.