Hadfield, J., & Hadfield, C. (1999). Simple reading activities. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoHadfield, Jill, và Charles Hadfield. Simple Reading Activities. Oxford: Oxford University Press, 1999.
Deismireacht MLAHadfield, Jill, và Charles Hadfield. Simple Reading Activities. Oxford: Oxford University Press, 1999.
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