APA aipamena

Field, B. C., & Field, M. K. (2021). Environmental economics: An introduction (Eight edition.). McGraw-Hill.

Chicago Style aipamena

Field, Barry C., and Martha K. Field. Environmental Economics: An Introduction. Eight edition. New York, NY: McGraw-Hill, 2021.

MLA aipamena

Field, Barry C., and Martha K. Field. Environmental Economics: An Introduction. Eight edition. McGraw-Hill, 2021.