Edmunds, S. (1973). Environmental administration. McGraw-Hill Book Company.
Lua i Stíl Chicago (17ú heag.)Edmunds, Stahrl. Environmental Administration. New York: McGraw-Hill Book Company, 1973.
Lua MLA (9ú heag.)Edmunds, Stahrl. Environmental Administration. McGraw-Hill Book Company, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.