Wadsworth, W. (2005). Leadership. Gemini.
Lua i Stíl Chicago (17ú heag.)Wadsworth, Walter. Leadership. New Delhi: Gemini, 2005.
Lua MLA (9ú heag.)Wadsworth, Walter. Leadership. Gemini, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.