Citazione Stile APA (7a Edizione)

Froyen, R. T. (2002). Macroeconomics: Theories and policies (7th ed.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Froyen, Richard T. Macroeconomics: Theories and Policies. 7th ed. Upper Saddle River, New Jersey: Prentice Hall, 2002.

Citatione MLA (9a ed.)

Froyen, Richard T. Macroeconomics: Theories and Policies. 7th ed. Prentice Hall, 2002.