Rossner, R. (1984). Contemporary english: Student's workbook. Macmillan.
Lua i Stíl Chicago (17ú heag.)Rossner, R. Contemporary English: Student's Workbook. Macmillan, 1984.
Lua MLA (9ú heag.)Rossner, R. Contemporary English: Student's Workbook. Macmillan, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.