Krugman, P. (2009). The return of depression economics and the crisis of 2008. W. W. Norton & Company.
Lua i Stíl Chicago (17ú heag.)Krugman, Paul. The Return of Depression Economics and the Crisis of 2008. New York: W. W. Norton & Company, 2009.
Lua MLA (9ú heag.)Krugman, Paul. The Return of Depression Economics and the Crisis of 2008. W. W. Norton & Company, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.