Não informado. (1889). Bulletin of the Virginia Agricultural Experiment Station. Virginia Polytechnic Institute.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the Virginia Agricultural Experiment Station. Blacksburg, Va: Virginia Polytechnic Institute, 1889.
Lua MLA (8ú heag.)Não informado. Bulletin of the Virginia Agricultural Experiment Station. Virginia Polytechnic Institute, 1889.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.