MacKenzie I. Ian. (2005). English for Business Studies. A course for Business Studies and Economics students (2-nd ed.). New York, Cambridge University Press, 2005.
Lua i Stíl Chicago (17ú heag.)MacKenzie I. Ian. English for Business Studies. A Course for Business Studies and Economics Students. 2-nd ed. New York, Cambridge University Press, 2005, 2005.
Lua MLA (9ú heag.)MacKenzie I. Ian. English for Business Studies. A Course for Business Studies and Economics Students. 2-nd ed. New York, Cambridge University Press, 2005, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.