APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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