APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Spencer, P. E., & Marschark, M. (2006). Advances in the spoken language development of deaf and hard-of-hearing children. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Patricia Elizabeth Spencer, और Marc Marschark. Advances in the Spoken Language Development of Deaf and Hard-of-hearing Children. Oxford ; New York: Oxford University Press, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Advances in the Spoken Language Development of Deaf and Hard-of-hearing Children. Oxford University Press, 2006.
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