Não informado. (2001). Technical bulletin. Colorado Agricultural Experiment Station.
Lua i Stíl Chicago (17ú heag.)Não informado. Technical Bulletin. Fort Collins, Colo: Colorado Agricultural Experiment Station, 2001.
Lua MLA (8ú heag.)Não informado. Technical Bulletin. Colorado Agricultural Experiment Station, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.