Viorst, J. (2000). Suddenly sixty and other shocks of later life. Simon & Schuster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रViorst, Judith. Suddenly Sixty and Other Shocks of Later Life. New York: Simon & Schuster, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रViorst, Judith. Suddenly Sixty and Other Shocks of Later Life. Simon & Schuster, 2000.
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