Sheff, D. (2009). Beautiful boy: A father's journey through his son's addiction.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSheff, David. Beautiful Boy: A Father's Journey Through His Son's Addiction. 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSheff, David. Beautiful Boy: A Father's Journey Through His Son's Addiction. 2009.
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