Ur, P. (1991). A course in language teaching: Practice and theory. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUr, Penny. A Course in Language Teaching: Practice and Theory. Cambridge [England] ; New York: Cambridge University Press, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUr, Penny. A Course in Language Teaching: Practice and Theory. Cambridge University Press, 1991.
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