Não informado. (1973). Annual journal. Royal New Zealand Institute of Horticulture.
Lua i Stíl Chicago (17ú heag.)Não informado. Annual Journal. Christchurch, Nova Zelandia: Royal New Zealand Institute of Horticulture, 1973.
Lua MLA (8ú heag.)Não informado. Annual Journal. Royal New Zealand Institute of Horticulture, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.