APA (7e ed.) Bronvermelding

Field, B. C. (1994). Environmental economics: An introduction. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Field, Barry C. Environmental Economics: An Introduction. New York: McGraw-Hill, 1994.

MLA (8e ed.) Bronvermelding

Field, Barry C. Environmental Economics: An Introduction. McGraw-Hill, 1994.

Let op: Deze citaties zijn niet altijd 100% accuraat.