Blanchard, K. (2003). The Leadership Pill. HarperCollins.
Lua i Stíl Chicago (17ú heag.)Blanchard, Ken. The Leadership Pill. New York: HarperCollins, 2003.
Lua MLA (9ú heag.)Blanchard, Ken. The Leadership Pill. HarperCollins, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.