Froyen, R. T. (1995). Macroeconomics: Theories and policies (5th ed.). Prentice Hall.
芝加哥风格引文Froyen, Richard T. Macroeconomics: Theories and Policies. 5th ed. New Jersey: Prentice Hall, 1995.
MLA引文Froyen, Richard T. Macroeconomics: Theories and Policies. 5th ed. Prentice Hall, 1995.
警告：这些引文格式不一定是100％准确.