Hilton, C., & Hyder, M. (1992). Getting to grips with spelling. Golden Books Centre.
Lua i Stíl Chicago (17ú heag.)Hilton, Catherine, agus Margaret Hyder. Getting to Grips with Spelling. Kuala Lumpur: Golden Books Centre, 1992.
Lua MLA (8ú heag.)Hilton, Catherine, agus Margaret Hyder. Getting to Grips with Spelling. Golden Books Centre, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.