MATHIESON RICK. (2005). BRANDING UNBOUND. AMACOM.
Lua i Stíl Chicago (17ú heag.)MATHIESON RICK. BRANDING UNBOUND. NEW YORK: AMACOM, 2005.
Lua MLA (9ú heag.)MATHIESON RICK. BRANDING UNBOUND. AMACOM, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.