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Dyfyniad Arddull ChicagoZimmer, Anne, and Fred Zimmer. Visual Literacy in Communication: Designing for Development. Amersham: Hulton [for] the International Institution for Adult Literacy Methods, 1978.
Dyfyniad MLAZimmer, Anne, and Fred Zimmer. Visual Literacy in Communication: Designing for Development. Hulton [for] the International Institution for Adult Literacy Methods, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.