Penny Ur. (1991). A course in language teaching: Practice and theory. Cambridge [England] ; New York: Cambridge University Press.
Trích dẫn kiểu ChicagoPenny Ur. A Course in Language Teaching: Practice and Theory. Cambridge [England] ; New York: Cambridge University Press, 1991.
Deismireacht MLAPenny Ur. A Course in Language Teaching: Practice and Theory. Cambridge [England] ; New York: Cambridge University Press, 1991.
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