Blumenthal, Robin Goldwyn; Strauss, Lawrence C. (16 de noviembre de 2013). «The Skyscraper Index: Edifice Complex». Barron's. «The U.S. has a new tallest building—One World Trade Center in New York—and that has conjured up some novel reading of economic tea leaves.»
Thornton, Mark. "Alcohol Prohibition Was a Failure." Policy Analysis no. 157. Cato Institute. 17 July 1991. [3]Archivado el 8 de marzo de 2012 en Wayback Machine.
google.com
"US drinks to 75 years since end of Prohibition." Agence France-Presse. Hosted by Google. 4 December 2008. [1]
Thornton, Mark. "Prohibition versus Legalization: Do Economists Reach a Conclusion on Drug Policy?" Independent Institute. The Independent Review. Winter 2007. [2]
Thornton, Mark. "Alcohol Prohibition Was a Failure." Policy Analysis no. 157. Cato Institute. 17 July 1991. [3]Archivado el 8 de marzo de 2012 en Wayback Machine.