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Dyfyniad Arddull ChicagoAndrews, Sudhir. Introduction to Tourism and Hospitality Industry. New Delhi: Tata McGrawhill publishing, 2007.
Dyfyniad MLAAndrews, Sudhir. Introduction to Tourism and Hospitality Industry. Tata McGrawhill publishing, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.