Collie, j. (2005). Speaking 1 student's book. Kanisius.
Lua i Stíl Chicago (17ú heag.)Collie, joanne. Speaking 1 Student's Book. Kanisius, 2005.
Lua MLA (9ú heag.)Collie, joanne. Speaking 1 Student's Book. Kanisius, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.