Não informado. (1948). The Journal of Horticultural Science. Headley Brothers.
Lua i Stíl Chicago (17ú heag.)Não informado. The Journal of Horticultural Science. London: Headley Brothers, 1948.
Lua MLA (8ú heag.)Não informado. The Journal of Horticultural Science. Headley Brothers, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.