VIEIRA WALTER E. (2005). WINNING MANAGER: 51 STEPS TO CORPORATE SUCCESS. RESPONSE BOOKS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVIEIRA WALTER E. WINNING MANAGER: 51 STEPS TO CORPORATE SUCCESS. NEW DELHI: RESPONSE BOOKS, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVIEIRA WALTER E. WINNING MANAGER: 51 STEPS TO CORPORATE SUCCESS. RESPONSE BOOKS, 2005.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.