Mascull, B., & Bill Mascull. (2004). Business vocabulary in Use: With answers. Hồ Chí Minh: Trẻ.
Παραπομπή Chicago StyleMascull, Bill, και Bill Mascull. Business Vocabulary in Use: With Answers. Hồ Chí Minh: Trẻ, 2004.
Παραπομπή MLAMascull, Bill, και Bill Mascull. Business Vocabulary in Use: With Answers. Hồ Chí Minh: Trẻ, 2004.
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