Não informado. Agricultural reviews and manuals. Agricultural Research Service.
Lua i Stíl Chicago (17ú heag.)Não informado. Agricultural Reviews and Manuals. New Orleans, La: Agricultural Research Service.
Lua MLA (8ú heag.)Não informado. Agricultural Reviews and Manuals. Agricultural Research Service.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.