Field, B. C. (1994). Environmental economics: An introduction: An introduction. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoField, Barry C. Environmental Economics: An Introduction: An Introduction. New York: McGraw-Hill, 1994.
MLA CitationField, Barry C. Environmental Economics: An Introduction: An Introduction. New York: McGraw-Hill, 1994.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.