kalakota, R. (1999). E- Business: Roadmap for success. Addison wesley.
Lua i Stíl Chicago (17ú heag.)kalakota, Ravi. E- Business: Roadmap for Success. Massachuse tts: Addison wesley, 1999.
Lua MLA (9ú heag.)kalakota, Ravi. E- Business: Roadmap for Success. Addison wesley, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.