Hattatt, L. (1998). Encyclopedia of garden plants and flowers. London : Dempsey Parr.
Lua i Stíl Chicago (17ú heag.)Hattatt, Lance. Encyclopedia of Garden Plants and Flowers. London : Dempsey Parr, 1998.
Lua MLA (9ú heag.)Hattatt, Lance. Encyclopedia of Garden Plants and Flowers. London : Dempsey Parr, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.