APA (7th ed.) Zitazioa

Williamson, S. D. (2011). Macroeconomics (4th ed.). Addison-Wesley.

Chicago Style (17th ed.) Zitazioa

Williamson, Stephen D. Macroeconomics. 4th ed. Boston: Addison-Wesley, 2011.

MLA (9th ed.) Zitazioa

Williamson, Stephen D. Macroeconomics. 4th ed. Addison-Wesley, 2011.

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