Ferguson, A., & Moritz, M. (2015). Leading. Hodder & Stoughton Ltd.
Lua i Stíl Chicago (17ú heag.)Ferguson, Alex, agus Michael Moritz. Leading. London: Hodder & Stoughton Ltd, 2015.
Lua MLA (9ú heag.)Ferguson, Alex, agus Michael Moritz. Leading. Hodder & Stoughton Ltd, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.