DuckWorth, M. (2000). Oxford Business English: Grammar and practice. TP.HCM: Đại học Quốc gia.
শিকাগো স্টাইলে সাইটেশনDuckWorth, Michel. Oxford Business English: Grammar and Practice. TP.HCM: Đại học Quốc gia, 2000.
এমএলএ সাইটেশনDuckWorth, Michel. Oxford Business English: Grammar and Practice. TP.HCM: Đại học Quốc gia, 2000.
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