Vermeulen, F. (2017). Breaking bad Habits: Defy Industry Norms and Reinvigorate your Business. Harvard Business Review Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVermeulen, Freek. Breaking Bad Habits: Defy Industry Norms and Reinvigorate Your Business. Boston, Massachusetts: Harvard Business Review Press, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVermeulen, Freek. Breaking Bad Habits: Defy Industry Norms and Reinvigorate Your Business. Harvard Business Review Press, 2017.
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