"Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. (November 9, 2009). http://www.encyclopedia.com/doc/1E1-X-BSwEcoNob.html
"Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel." The Columbia Encyclopedia, Sixth Edition. 2008. Retrieved November 09, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-BSwEcoNob.html