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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Global Leaders for Tomorrow Environment Task Force, Yale Center for Environmental Law and Policy, Center for International Earth Science Information Network, Daniel C. Esty, و Peter Cornelius. Environmental Performance Measurement: The Global Report 2001-2002. Oxford ; New York: Oxford University Press, 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Global Leaders for Tomorrow Environment Task Force, et al. Environmental Performance Measurement: The Global Report 2001-2002. Oxford University Press, 2002.