ETHERTON, A. Contact 2: A secondary english course.-- rev. edition. Longman.
Lua i Stíl Chicago (17ú heag.)ETHERTON, A.R.B. Contact 2: A Secondary English Course.-- Rev. Edition. London: Longman.
Lua MLA (9ú heag.)ETHERTON, A.R.B. Contact 2: A Secondary English Course.-- Rev. Edition. Longman.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.