(2015). Toeic icon: R/C Basic. Darakwon Toeic Ressearch. Thành phố Hồ Chí Minh: Tổng hợp.
শিকাগো স্টাইলে সাইটেশনToeic Icon: R/C Basic. Darakwon Toeic Ressearch. Thành phố Hồ Chí Minh: Tổng hợp, 2015.
এমএলএ সাইটেশনToeic Icon: R/C Basic. Darakwon Toeic Ressearch. Thành phố Hồ Chí Minh: Tổng hợp, 2015.
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