Não informado. (2015). News Letter. National Coffee Association.
Lua i Stíl Chicago (17ú heag.)Não informado. News Letter. New York: National Coffee Association, 2015.
Lua MLA (8ú heag.)Não informado. News Letter. National Coffee Association, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.