APA (7th ed.) Zitazioa
Krugman, P. R. The return of depression economics: And the crisis of 2008. Norton.
Chicago Style (17th ed.) Zitazioa
Krugman, Paul R. The Return of Depression Economics: And the Crisis of 2008. Norton.
MLA (9th ed.) Zitazioa
Krugman, Paul R. The Return of Depression Economics: And the Crisis of 2008. Norton.
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