Costello, E. (1999). Random House Webster's concise American Sign Language dictionary. Random House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCostello, Elaine. Random House Webster's Concise American Sign Language Dictionary. New York: Random House, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCostello, Elaine. Random House Webster's Concise American Sign Language Dictionary. Random House, 1999.
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