Roberson. Signed Language Interpreting in the 21st Century. Gallaudet University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoberson. Signed Language Interpreting in the 21st Century. Gallaudet University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRoberson. Signed Language Interpreting in the 21st Century. Gallaudet University Press.
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