Smick, D. M. (2009). The world is curved: Hidden dangers to the global economy. Portfolio.
Lua i Stíl Chicago (17ú heag.)Smick, David M. The World Is Curved: Hidden Dangers to the Global Economy. New York: Portfolio, 2009.
Lua MLA (9ú heag.)Smick, David M. The World Is Curved: Hidden Dangers to the Global Economy. Portfolio, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.