Robinson, D. (2014). Winning at Ielts speaking: A practical guide to the Ielts speaking test. Thành phố Hồ Chí Minh: Tổng hợp.
शिकागो स्टाइल उद्धरणRobinson, Dave. Winning At Ielts Speaking: A Practical Guide to the Ielts Speaking Test. Thành phố Hồ Chí Minh: Tổng hợp, 2014.
एमएलए उद्धरणRobinson, Dave. Winning At Ielts Speaking: A Practical Guide to the Ielts Speaking Test. Thành phố Hồ Chí Minh: Tổng hợp, 2014.
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