Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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