Ellwood Iain. (2000). Essential Brand Book. Kogan Page.
Lua i Stíl Chicago (17ú heag.)Ellwood Iain. Essential Brand Book. London: Kogan Page, 2000.
Lua MLA (9ú heag.)Ellwood Iain. Essential Brand Book. Kogan Page, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.