(2003). Journal of Marketing Januari 2003. American Marketing Assotiation.
Lua i Stíl Chicago (17ú heag.)Journal of Marketing Januari 2003. American Marketing Assotiation, 2003.
Lua MLA (8ú heag.)Journal of Marketing Januari 2003. American Marketing Assotiation, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.