TESONE. (2006). Hospitality information systems and E-commerceTesone. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)TESONE. Hospitality Information Systems and E-commerceTesone. John Wiley & Sons, 2006.
Lua MLA (8ú heag.)TESONE. Hospitality Information Systems and E-commerceTesone. John Wiley & Sons, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.