Cunningham, S., & Sarah Cunningham; Peter Moor. (2002). New Headway Pronunciation Course: Elementary. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoCunningham, Sarah, và Sarah Cunningham; Peter Moor. New Headway Pronunciation Course: Elementary. Oxford: Oxford University Press, 2002.
MLA citiranjeCunningham, Sarah, và Sarah Cunningham; Peter Moor. New Headway Pronunciation Course: Elementary. Oxford: Oxford University Press, 2002.
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