Dourado, P. (2009). Seven secrets of inspired leaders. Erlangga.
Lua i Stíl Chicago (17ú heag.)Dourado, Phil. Seven Secrets of Inspired Leaders. Erlangga, 2009.
Lua MLA (8ú heag.)Dourado, Phil. Seven Secrets of Inspired Leaders. Erlangga, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.