Douglas, D. (2000). Assessing languages for specific purposes. Cambridge, UK: Cambridge University Press.
Trích dẫn kiểu ChicagoDouglas, Dan. Assessing Languages for Specific Purposes. Cambridge, UK: Cambridge University Press, 2000.
Deismireacht MLADouglas, Dan. Assessing Languages for Specific Purposes. Cambridge, UK: Cambridge University Press, 2000.
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