Findley, R. W., & Farber, D. A. (1988). Environmental law in a nutshell (Second edition.). West Pub. Co..
Lua i Stíl Chicago (17ú heag.)Findley, Roger W., agus Daniel A. Farber. Environmental Law in a Nutshell. Second edition. St. Paul, Minn.: West Pub. Co., 1988.
Lua MLA (8ú heag.)Findley, Roger W., agus Daniel A. Farber. Environmental Law in a Nutshell. Second edition. West Pub. Co., 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.