Não informado. (1989). AgExporter. U.S. Department of Agriculture, Foreign Agricultural Service.
Lua i Stíl Chicago (17ú heag.)Não informado. AgExporter. Washington: U.S. Department of Agriculture, Foreign Agricultural Service, 1989.
Lua MLA (8ú heag.)Não informado. AgExporter. U.S. Department of Agriculture, Foreign Agricultural Service, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.