Lua APA (7ú heag.)

Field, B. C., & Field, M. K. (2021). Environmental economics: An introduction (Eight edition.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Field, Barry C., agus Martha K. Field. Environmental Economics: An Introduction. Eight edition. New York, NY: McGraw-Hill, 2021.

Lua MLA (8ú heag.)

Field, Barry C., agus Martha K. Field. Environmental Economics: An Introduction. Eight edition. McGraw-Hill, 2021.

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