Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (8ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.