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Dyfyniad Arddull ChicagoHanson, Ralph E. Media World CD-ROM Disc 1 Mass Communication Livin in a Media World. Boston: McGram-Hill, 2005.
Dyfyniad MLAHanson, Ralph E. Media World CD-ROM Disc 1 Mass Communication Livin in a Media World. McGram-Hill, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.