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Dyfyniad Arddull ChicagoJones, John Philip. What's in a Brand ? New Delhi: Prentice Hall of India, 1998.
Dyfyniad MLAJones, John Philip. What's in a Brand ? Prentice Hall of India, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.