APA-referens (7:e uppl.)

Field, B. C. (1997). Environmental economics: An introduction (2nd ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Field, Barry C. Environmental Economics: An Introduction. 2nd ed. New York: McGraw-Hill, 1997.

MLA-referens (8:e uppl.)

Field, Barry C. Environmental Economics: An Introduction. 2nd ed. McGraw-Hill, 1997.