BAILEY, A. (2003). English for International Tourism: Intermediate Teacher's Book. Longman.
Lua i Stíl Chicago (17ú heag.)BAILEY, Amanda. English for International Tourism: Intermediate Teacher's Book. Longman, 2003.
Lua MLA (8ú heag.)BAILEY, Amanda. English for International Tourism: Intermediate Teacher's Book. Longman, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.