Underhill, N., & Nic Underhill. (1987). Testing spoken language: A handbook of oral testing techniques. Cambridge [Cambridgeshire],New York: Cambridge University Press.
Trích dẫn kiểu ChicagoUnderhill, Nic, và Nic Underhill. Testing Spoken Language: A Handbook of Oral Testing Techniques. Cambridge [Cambridgeshire],New York: Cambridge University Press, 1987.
MLA CitationUnderhill, Nic, và Nic Underhill. Testing Spoken Language: A Handbook of Oral Testing Techniques. Cambridge [Cambridgeshire],New York: Cambridge University Press, 1987.
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