Kenny, N. (1998). First Certificatew Pass Key: Student's book. Macmillan Heinemann.
Lua i Stíl Chicago (17ú heag.)Kenny, Nick. First Certificatew Pass Key: Student's Book. Inglaterra: Macmillan Heinemann, 1998.
Lua MLA (9ú heag.)Kenny, Nick. First Certificatew Pass Key: Student's Book. Macmillan Heinemann, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.