(1975). Handbook for environmental impact analysis. Headquarters, Department of the Army.
Lua i Stíl Chicago (17ú heag.)Handbook for Environmental Impact Analysis. Washington, D.C: Headquarters, Department of the Army, 1975.
Lua MLA (9ú heag.)Handbook for Environmental Impact Analysis. Headquarters, Department of the Army, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.