Fletcher, M., & Hargreaves, R. (1989). Good for Business: An Intensive Course in Business English. TP.HCM: Trung tâm Bồi dưỡng Bách khoa.
استشهاد بنمط شيكاغوFletcher, Mark, و Roger Hargreaves. Good for Business: An Intensive Course in Business English. TP.HCM: Trung tâm Bồi dưỡng Bách khoa, 1989.
MLA استشهادFletcher, Mark, و Roger Hargreaves. Good for Business: An Intensive Course in Business English. TP.HCM: Trung tâm Bồi dưỡng Bách khoa, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.