Voiles, P. R. (1993). Business English Essentials. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoVoiles, Price R. Business English Essentials. New York: McGraw-Hill, 1993.
Deismireacht MLAVoiles, Price R. Business English Essentials. New York: McGraw-Hill, 1993.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.