Phillips, J. (2007). The leadership scarecard.
Lua i Stíl Chicago (17ú heag.)Phillips, Jack. The Leadership Scarecard. Oxford, 2007.
Lua MLA (9ú heag.)Phillips, Jack. The Leadership Scarecard. 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.