Mackay, I. (2000). Listening Skills (2nd.). univeresity press.
Lua i Stíl Chicago (17ú heag.)Mackay, Ian. Listening Skills. 2nd. Hydrabad: univeresity press, 2000.
Lua MLA (9ú heag.)Mackay, Ian. Listening Skills. 2nd. univeresity press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.