Doff, A., & Becket, C. Listening 1 (4a ed.).
Lua i Stíl Chicago (17ú heag.)Doff, Adrian, agus Carolyn Becket. Listening 1. 4a ed.
Lua MLA (8ú heag.)Doff, Adrian, agus Carolyn Becket. Listening 1. 4a ed.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.