Field, B. C., & Field, M. K. (2016). Environmental economics: An introduction (Seventh Edition.). McGraw-Hill Education.
Chicago Style (17th ed.) CitationField, Barry C., and Martha K. Field. Environmental Economics: An Introduction. Seventh Edition. Dubuque: McGraw-Hill Education, 2016.
MLA引文Field, Barry C., and Martha K. Field. Environmental Economics: An Introduction. Seventh Edition. McGraw-Hill Education, 2016.
警告:這些引文格式不一定是100%准確.