Não informado. (2018). Research Report. Virginia Agricultural Experiment Station, Virginia Polytechnic Institute.
Lua i Stíl Chicago (17ú heag.)Não informado. Research Report. Blacksburg, Va: Virginia Agricultural Experiment Station, Virginia Polytechnic Institute, 2018.
Lua MLA (8ú heag.)Não informado. Research Report. Virginia Agricultural Experiment Station, Virginia Polytechnic Institute, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.