Spencer-Wendel, S. (2013). Until i say good-bye: My year of living with joy.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpencer-Wendel, Susan. Until I Say Good-bye: My Year of Living with Joy. 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpencer-Wendel, Susan. Until I Say Good-bye: My Year of Living with Joy. 2013.
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