Ager, D., & Ager, A. (2003). Handbook of football club management. Crowood Press.
Lua i Stíl Chicago (17ú heag.)Ager, David, agus Andrew Ager. Handbook of Football Club Management. Wiltshire: Crowood Press, 2003.
Lua MLA (8ú heag.)Ager, David, agus Andrew Ager. Handbook of Football Club Management. Crowood Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.