"The Economists' Voice", 6.7 (2009): -. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/ev.2009.6.7/issue-files/ev.2009.6.issue-7.xml

The Economists' Voice (2009), 6(7), pp. -. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/ev.2009.6.7/issue-files/ev.2009.6.issue-7.xml

The Economists' Voice. 2009. 6(7): -. Retrieved 19 May. 2013, from http://www.degruyter.com/view/j/ev.2009.6.7/issue-files/ev.2009.6.issue-7.xml