Brady, M. (2003). Managing Agriculture and Water Quality: Four essays on the control of large-scale nitrogen pollution.
Lua i Stíl Chicago (17ú heag.)Brady, Mark. Managing Agriculture and Water Quality: Four Essays on the Control of Large-scale Nitrogen Pollution. 2003.
Lua MLA (8ú heag.)Brady, Mark. Managing Agriculture and Water Quality: Four Essays on the Control of Large-scale Nitrogen Pollution. 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.