Não informado. (2000). Agriculture handbook. U.S. Department of Agriculture.
Lua i Stíl Chicago (17ú heag.)Não informado. Agriculture Handbook. Washington: U.S. Department of Agriculture, 2000.
Lua MLA (8ú heag.)Não informado. Agriculture Handbook. U.S. Department of Agriculture, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.