Kaufman, A. L. (2002). Problems in professional responsibility for a changing professionAndrew L. Kaufman, David B. Wilkins. Carolina Academic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKaufman, Andrew L. Problems in Professional Responsibility for a Changing ProfessionAndrew L. Kaufman, David B. Wilkins. Carolina Academic, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKaufman, Andrew L. Problems in Professional Responsibility for a Changing ProfessionAndrew L. Kaufman, David B. Wilkins. Carolina Academic, 2002.
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