VIEIRA WALTER E. (2005). WINNING MANAGER: 51 STEPS TO CORPORATE SUCCESS. RESPONSE BOOKS.
Chicago Style (17. basım) AtıfVIEIRA WALTER E. WINNING MANAGER: 51 STEPS TO CORPORATE SUCCESS. NEW DELHI: RESPONSE BOOKS, 2005.
MLA (9th ed.) AtıfVIEIRA WALTER E. WINNING MANAGER: 51 STEPS TO CORPORATE SUCCESS. RESPONSE BOOKS, 2005.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..