Gude, K., Duckworth, M., & Halliwell, H. (2007). Top score: Student's book 3. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoGude, Kathy, Michael Duckworth, và Helen Halliwell. Top Score: Student's Book 3. Oxford: Oxford University Press, 2007.
Deismireacht MLAGude, Kathy, Michael Duckworth, và Helen Halliwell. Top Score: Student's Book 3. Oxford: Oxford University Press, 2007.
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