Harvard Business Review. Harvard Business School Publishing Corporation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarvard Business Review. USA: Harvard Business School Publishing Corporation.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHarvard Business Review. Harvard Business School Publishing Corporation.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.