Williams, A. (2014). Writing for IELTS: (Collins English for exams). Thành phố Hồ Chí Minh: Tổng hợp Thành phố Hồ Chí Minh.
শিকাগো স্টাইলে সাইটেশনWilliams, Anneli. Writing for IELTS: (Collins English for Exams). Thành phố Hồ Chí Minh: Tổng hợp Thành phố Hồ Chí Minh, 2014.
এমএলএ সাইটেশনWilliams, Anneli. Writing for IELTS: (Collins English for Exams). Thành phố Hồ Chí Minh: Tổng hợp Thành phố Hồ Chí Minh, 2014.
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