Haug, T. (2011). Adaptation and Evaluation of a German Sign Language Test. Hamburg University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHaug, Tobias. Adaptation and Evaluation of a German Sign Language Test. Hamburg: Hamburg University Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHaug, Tobias. Adaptation and Evaluation of a German Sign Language Test. Hamburg University Press, 2011.
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