HANSON WARDS. (2007). INTERNET MARKETING AND E COMMERCE. THOMSON SOUTH- WESTERN.
Lua i Stíl Chicago (17ú heag.)HANSON WARDS. INTERNET MARKETING AND E COMMERCE. AUSTRALIA: THOMSON SOUTH- WESTERN, 2007.
Lua MLA (9ú heag.)HANSON WARDS. INTERNET MARKETING AND E COMMERCE. THOMSON SOUTH- WESTERN, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.