Field, B. C. (1997). Environmental economics: An introduction (2nd ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationField, Barry C. Environmental Economics: An Introduction. 2nd ed. New York: McGraw-Hill, 1997.
MLA引文Field, Barry C. Environmental Economics: An Introduction. 2nd ed. McGraw-Hill, 1997.
警告:這些引文格式不一定是100%准確.