TESONE. (2006). Hospitality information systems and E-commerceTesone. John Wiley & Sons.
Chicago-viite (17. p.)TESONE. Hospitality Information Systems and E-commerceTesone. John Wiley & Sons, 2006.
MLA-viite (8. p.)TESONE. Hospitality Information Systems and E-commerceTesone. John Wiley & Sons, 2006.
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