Mauboussin Michael J. (2009). Think Twice: Harnessing the power of counterintuition. HBP.
Lua i Stíl Chicago (17ú heag.)Mauboussin Michael J. Think Twice: Harnessing the Power of Counterintuition. USA: HBP, 2009.
Lua MLA (9ú heag.)Mauboussin Michael J. Think Twice: Harnessing the Power of Counterintuition. HBP, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.