Global Leaders for Tomorrow Environment Task Force, Yale Center for Environmental Law and Policy, Center for International Earth Science Information Network, Esty, D. C., & Cornelius, P. (2002). Environmental performance measurement: The global report 2001-2002. Oxford University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Global Leaders for Tomorrow Environment Task Force, Yale Center for Environmental Law and Policy, Center for International Earth Science Information Network, Daniel C. Esty, και Peter Cornelius. Environmental Performance Measurement: The Global Report 2001-2002. Oxford ; New York: Oxford University Press, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)Global Leaders for Tomorrow Environment Task Force, et al. Environmental Performance Measurement: The Global Report 2001-2002. Oxford University Press, 2002.