ELLSWORTH JILL H. (1995). MARKETING ON THE INTERNET: MULTIMEDIA...WEB. JOHN WILEY AND SONS.
Lua i Stíl Chicago (17ú heag.)ELLSWORTH JILL H. MARKETING ON THE INTERNET: MULTIMEDIA...WEB. NEW YORK: JOHN WILEY AND SONS, 1995.
Lua MLA (9ú heag.)ELLSWORTH JILL H. MARKETING ON THE INTERNET: MULTIMEDIA...WEB. JOHN WILEY AND SONS, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.