Field, B. C., & Field, M. K. (2006). Environmental economics: An introduction (4th ed.). McGraw-Hill.
芝加哥风格引文Field, Barry C., 与 Martha K. Field. Environmental Economics: An Introduction. 4th ed. Boston: McGraw-Hill, 2006.
MLA引文Field, Barry C., 与 Martha K. Field. Environmental Economics: An Introduction. 4th ed. McGraw-Hill, 2006.
警告：这些引文格式不一定是100％准确.