Quintana J. Jenny. (2007). Build up to Countdown. Student`s Book. New York, Oxford University Press, 2007.
Lua i Stíl Chicago (17ú heag.)Quintana J. Jenny. Build Up to Countdown. Student`s Book. New York, Oxford University Press, 2007, 2007.
Lua MLA (9ú heag.)Quintana J. Jenny. Build Up to Countdown. Student`s Book. New York, Oxford University Press, 2007, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.