Shapiro, D. (2017). Hourglass: Time, memory, marriage (First edition.). Alfred A. Knopf.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShapiro, Dani. Hourglass: Time, Memory, Marriage. First edition. New York: Alfred A. Knopf, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रShapiro, Dani. Hourglass: Time, Memory, Marriage. First edition. Alfred A. Knopf, 2017.
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