Não informado. (1959). Agricultural chemicals digest. Union Carbide International.
Lua i Stíl Chicago (17ú heag.)Não informado. Agricultural Chemicals Digest. Washington: Union Carbide International, 1959.
Lua MLA (8ú heag.)Não informado. Agricultural Chemicals Digest. Union Carbide International, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.