Citazione Stile APA (7a Edizione)

Hubbard R. Glenn & O'Brien Anthony Patrick. (2008). Macroeconomics (2nd ed.). Pearson Educational Ltd..

Citazione stile Chigago Style (17a edizione)

Hubbard R. Glenn e O'Brien Anthony Patrick. Macroeconomics. 2nd ed. London: Pearson Educational Ltd., 2008.

Citatione MLA (9a ed.)

Hubbard R. Glenn e O'Brien Anthony Patrick. Macroeconomics. 2nd ed. Pearson Educational Ltd., 2008.