(2005). Journal of Marketing Januari 2005. America Marketing Association.
Lua i Stíl Chicago (17ú heag.)Journal of Marketing Januari 2005. America Marketing Association, 2005.
Lua MLA (8ú heag.)Journal of Marketing Januari 2005. America Marketing Association, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.