Palley, J. (2014). 31 High-scoring formulas to answer the ielts speaking questions. Thành phố Hồ Chí Minh: Tổng hợp.
শিকাগো স্টাইলে সাইটেশনPalley, Jonathan. 31 High-scoring Formulas to Answer the Ielts Speaking Questions. Thành phố Hồ Chí Minh: Tổng hợp, 2014.
এমএলএ সাইটেশনPalley, Jonathan. 31 High-scoring Formulas to Answer the Ielts Speaking Questions. Thành phố Hồ Chí Minh: Tổng hợp, 2014.
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