Field, B. C. (2002). Environmental economics: An introduction. Boston, MA: McGraw-Hill.
Chicago Style CitationField, Barry C. Environmental Economics: An Introduction. Boston, MA: McGraw-Hill, 2002.
Cita MLAField, Barry C. Environmental Economics: An Introduction. Boston, MA: McGraw-Hill, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.