Vieira, W. (2005). The winning manager 51 steps to corporate success.
Chicago-viite (17. p.)Vieira, Walter. The Winning Manager 51 Steps to Corporate Success. New Delhi, 2005.
MLA-viite (9. p.)Vieira, Walter. The Winning Manager 51 Steps to Corporate Success. 2005.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.