British Society of Soil Science. (1985). Soil use and management. Blackwell Scientific Publications.
Lua i Stíl Chicago (17ú heag.)British Society of Soil Science. Soil Use and Management. Oxford, Inglaterra: Blackwell Scientific Publications, 1985.
Lua MLA (8ú heag.)British Society of Soil Science. Soil Use and Management. Blackwell Scientific Publications, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.