Vieira, W. (2005). The winning manager 51 steps to corporate success.
Lua i Stíl Chicago (17ú heag.)Vieira, Walter. The Winning Manager 51 Steps to Corporate Success. New Delhi, 2005.
Lua MLA (9ú heag.)Vieira, Walter. The Winning Manager 51 Steps to Corporate Success. 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.