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Dyfyniad Arddull ChicagoYeung, Rob. Networking: The New Rules. London: Marshall Cavendish, 2009.
Dyfyniad MLAYeung, Rob. Networking: The New Rules. Marshall Cavendish, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.