Fletcher, M., & Hargreaves, R. (1989). Good for Business: An Intensive Course in Business English. TP.HCM: Trung tâm Bồi dưỡng Bách khoa.
Styl cytowania ChicagoFletcher, Mark, i Roger Hargreaves. Good for Business: An Intensive Course in Business English. TP.HCM: Trung tâm Bồi dưỡng Bách khoa, 1989.
Styl cytowania MLAFletcher, Mark, i Roger Hargreaves. Good for Business: An Intensive Course in Business English. TP.HCM: Trung tâm Bồi dưỡng Bách khoa, 1989.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..