Crockett, J. U. (1977). Les roses. Time- Life.
Lua i Stíl Chicago (17ú heag.)Crockett, James Underwood. Les Roses. Time- Life, 1977.
Lua MLA (9ú heag.)Crockett, James Underwood. Les Roses. Time- Life, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.