Fletcher, M., Hargreaves, R., & Trương Văn Thuận. (1989). Good for Business: An intensive course in business english. Tp. Hồ Chí Minh: Trung tâm bồi dưỡng bách khoa.
शिकागो स्टाइल उद्धरणFletcher, Mark, Roger Hargreaves, और Trương Văn Thuận. Good for Business: An Intensive Course in Business English. Tp. Hồ Chí Minh: Trung tâm bồi dưỡng bách khoa, 1989.
एमएलए उद्धरणFletcher, Mark, Roger Hargreaves, और Trương Văn Thuận. Good for Business: An Intensive Course in Business English. Tp. Hồ Chí Minh: Trung tâm bồi dưỡng bách khoa, 1989.
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