Krugman, P. (2009). The conscience of a liberal: Reclaiming America from the right. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Krugman, Paul. The Conscience of a Liberal: Reclaiming America from the Right. London: Penguin Books, 2009.
Lua MLA (8ú heag.)Krugman, Paul. The Conscience of a Liberal: Reclaiming America from the Right. Penguin Books, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.