HARVARD BUSINESS SCHOOL. (1999). HBR ON BRAND MANAGEMENT. HBS PRESS.
Lua i Stíl Chicago (17ú heag.)HARVARD BUSINESS SCHOOL. HBR ON BRAND MANAGEMENT. BOSTON: HBS PRESS, 1999.
Lua MLA (9ú heag.)HARVARD BUSINESS SCHOOL. HBR ON BRAND MANAGEMENT. HBS PRESS, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.