Não informado. (1969). Journal of the American Society for Horticultural Science. American Society for Horticultural Science.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of the American Society for Horticultural Science. Alexandria, Va: American Society for Horticultural Science, 1969.
Lua MLA (8ú heag.)Não informado. Journal of the American Society for Horticultural Science. American Society for Horticultural Science, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.