"Journal of Benefit-Cost Analysis", 3.1 (2012): -. Retrieved 22 May. 2013, from http://www.degruyter.com/view/j/jbca.2012.3.issue-1/issue-files/jbca.2012.3.issue-1.xml

Journal of Benefit-Cost Analysis (2012), 3(1), pp. -. Retrieved 22 May. 2013, from http://www.degruyter.com/view/j/jbca.2012.3.issue-1/issue-files/jbca.2012.3.issue-1.xml

Journal of Benefit-Cost Analysis. 2012. 3(1): -. Retrieved 22 May. 2013, from http://www.degruyter.com/view/j/jbca.2012.3.issue-1/issue-files/jbca.2012.3.issue-1.xml