Perry, F. (1972). Flowers of the world. Hamlyn.
Lua i Stíl Chicago (17ú heag.)Perry, Frances. Flowers of the World. Londres: Hamlyn, 1972.
Lua MLA (9ú heag.)Perry, Frances. Flowers of the World. Hamlyn, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.