Field, B. C., & Field, M. K. (2021). Environmental economics: An introduction (Eight edition.). McGraw-Hill.
芝加哥风格引文Field, Barry C., 与 Martha K. Field. Environmental Economics: An Introduction. Eight edition. New York, NY: McGraw-Hill, 2021.
MLA引文Field, Barry C., 与 Martha K. Field. Environmental Economics: An Introduction. Eight edition. McGraw-Hill, 2021.
警告：这些引文格式不一定是100％准确.