Bryan, B. (2020). Social change in the twenty-first century. ReferencePoint Press, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBryan, Bethany. Social Change in the Twenty-first Century. San Diego, CA: ReferencePoint Press, Inc., 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBryan, Bethany. Social Change in the Twenty-first Century. ReferencePoint Press, Inc., 2020.
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