Ellet, W. (2018). The case study handbook: A student's guide (Revised edition.). Harvard Business Review Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEllet, William. The Case Study Handbook: A Student's Guide. Revised edition. Boston, Massachusetts: Harvard Business Review Press, 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEllet, William. The Case Study Handbook: A Student's Guide. Revised edition. Harvard Business Review Press, 2018.
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