Edwards, H. (2006). Creating Passion Brands. Kogan Page India.
Lua i Stíl Chicago (17ú heag.)Edwards, Helen. Creating Passion Brands. New Delhi: Kogan Page India, 2006.
Lua MLA (9ú heag.)Edwards, Helen. Creating Passion Brands. Kogan Page India, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.