TUFFIN J. (2001). TOTAL VOCABULARY DEVELOPMENT.
Lua i Stíl Chicago (17ú heag.)TUFFIN J. TOTAL VOCABULARY DEVELOPMENT. 2001.
Lua MLA (9ú heag.)TUFFIN J. TOTAL VOCABULARY DEVELOPMENT. 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.