APA aipamena

Esty, D., & Daniel Esty; Peter K. Cornelius. (2002). Environmental performance measurement: The global report 2001-2002. Oxford,New York: Oxford University Press.

Chicago Style aipamena

Esty, Daniel, và Daniel Esty; Peter K. Cornelius. Environmental Performance Measurement: The Global Report 2001-2002. Oxford,New York: Oxford University Press, 2002.

MLA aipamena

Esty, Daniel, và Daniel Esty; Peter K. Cornelius. Environmental Performance Measurement: The Global Report 2001-2002. Oxford,New York: Oxford University Press, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.