Não informado. (1933). The Lily year-book. Royal Horticultural Society.
Lua i Stíl Chicago (17ú heag.)Não informado. The Lily Year-book. London: Royal Horticultural Society, 1933.
Lua MLA (8ú heag.)Não informado. The Lily Year-book. Royal Horticultural Society, 1933.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.