Froyen, R. T. (1995). Macroeconomics: Theories and policies (5th ed.). Prentice Hall.
Cita Chicago (17th ed.)Froyen, Richard T. Macroeconomics: Theories and Policies. 5th ed. New Jersey: Prentice Hall, 1995.
Cita MLA (9th ed.)Froyen, Richard T. Macroeconomics: Theories and Policies. 5th ed. Prentice Hall, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.