Irigoin, J. (1995). Business english recipes. Longman.
Lua i Stíl Chicago (17ú heag.)Irigoin, Judy. Business English Recipes. Longman, 1995.
Lua MLA (8ú heag.)Irigoin, Judy. Business English Recipes. Longman, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.