NOVA VISTA PUBLISHING. (2003). WIN -WIN SELLING. NOVA VISTA PUBLISHING.
Lua i Stíl Chicago (17ú heag.)NOVA VISTA PUBLISHING. WIN -WIN SELLING. NORTH AMERICA: NOVA VISTA PUBLISHING, 2003.
Lua MLA (9ú heag.)NOVA VISTA PUBLISHING. WIN -WIN SELLING. NOVA VISTA PUBLISHING, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.