APA aipamena

Field, B. C., & Field, M. K. (2006). Environmental economics: An introduction (Fourth edition.). McGraw-Hill Irwin.

Chicago Style aipamena

Field, Barry C., and Martha K. Field. Environmental Economics: An Introduction. Fourth edition. New York: McGraw-Hill Irwin, 2006.

MLA aipamena

Field, Barry C., and Martha K. Field. Environmental Economics: An Introduction. Fourth edition. McGraw-Hill Irwin, 2006.