House, S. (1999). Rocket!. Pupil`s Book 1 (1a. ed.). Richmond Publishing.
Lua i Stíl Chicago (17ú heag.)House, Susan. Rocket!. Pupil`s Book 1. 1a. ed. Madrid: Richmond Publishing, 1999.
Lua MLA (9ú heag.)House, Susan. Rocket!. Pupil`s Book 1. 1a. ed. Richmond Publishing, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.