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Dyfyniad Arddull ChicagoLovelock, Christopher, and Chatterjee Wirtz. Services Marketing: People, Technology, Strategy. Chennai: Pearson, 2006.
Dyfyniad MLALovelock, Christopher, and Chatterjee Wirtz. Services Marketing: People, Technology, Strategy. Pearson, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.