Walker, B. (2020). An unfinished story. Lake Union Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalker, Boo. An Unfinished Story. Seattle, Washington: Lake Union Publishing, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalker, Boo. An Unfinished Story. Lake Union Publishing, 2020.
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