HARDWICK, H. (2003). WORDS ARE IMPORTANT- BOOK 4 (1st.). WHEELER PUBLISHING.
Lua i Stíl Chicago (17ú heag.)HARDWICK, H.C. WORDS ARE IMPORTANT- BOOK 4. 1st. ALLAHABAD: WHEELER PUBLISHING, 2003.
Lua MLA (9ú heag.)HARDWICK, H.C. WORDS ARE IMPORTANT- BOOK 4. 1st. WHEELER PUBLISHING, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.