Vinson, B. P. (2007). Language disorders across the lifespan (2nd ed.). Thomson/Delmar Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVinson, Betsy Partin. Language Disorders Across the Lifespan. 2nd ed. Clifton Park, N.Y: Thomson/Delmar Learning, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVinson, Betsy Partin. Language Disorders Across the Lifespan. 2nd ed. Thomson/Delmar Learning, 2007.
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