Krugman, P. (2009). The return of depression economics and the crisis of 2008. W.W. Norton.
Lua i Stíl Chicago (17ú heag.)Krugman, Paul. The Return of Depression Economics and the Crisis of 2008. W.W. Norton, 2009.
Lua MLA (8ú heag.)Krugman, Paul. The Return of Depression Economics and the Crisis of 2008. W.W. Norton, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.