Xia, W. H. (2012). 15 days' practice for IELTS: Writing. Thành phố Hồ Chí Minh: Tổng hợp Thành phố Hồ Chí Minh.
শিকাগো স্টাইলে সাইটেশনXia, Wang Hong. 15 Days' Practice for IELTS: Writing. Thành phố Hồ Chí Minh: Tổng hợp Thành phố Hồ Chí Minh, 2012.
এমএলএ সাইটেশনXia, Wang Hong. 15 Days' Practice for IELTS: Writing. Thành phố Hồ Chí Minh: Tổng hợp Thành phố Hồ Chí Minh, 2012.
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