Welling J. Joanne. (2009). The TKT. Teaching Knowledge Test Course. Training Activities. New York, Cambridge University Press, 2009.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWelling J. Joanne. The TKT. Teaching Knowledge Test Course. Training Activities. New York, Cambridge University Press, 2009, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWelling J. Joanne. The TKT. Teaching Knowledge Test Course. Training Activities. New York, Cambridge University Press, 2009, 2009.
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