Kim, Y. (2014). The best preparation for IELTS: Speaking. Thành phố Hồ Chí Minh: Tổng hợp Thành phố Hồ Chí Minh.
শিকাগো স্টাইলে সাইটেশনKim, Young. The Best Preparation for IELTS: Speaking. Thành phố Hồ Chí Minh: Tổng hợp Thành phố Hồ Chí Minh, 2014.
এমএলএ সাইটেশনKim, Young. The Best Preparation for IELTS: Speaking. Thành phố Hồ Chí Minh: Tổng hợp Thành phố Hồ Chí Minh, 2014.
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