Cita APA (7th ed.)

Froyen, R. T. (1990). Macroeconomics: Theories and policies (3rd.ed.). Macmillan.

Cita Chicago (17th ed.)

Froyen, Richard T. Macroeconomics: Theories and Policies. 3rd.ed. New York: Macmillan, 1990.

Cita MLA (9th ed.)

Froyen, Richard T. Macroeconomics: Theories and Policies. 3rd.ed. Macmillan, 1990.