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Dyfyniad Arddull ChicagoKemp, D A. Nature of Knowledge: An Introduction for Librarians. London: Clive Bingley, 1976.
Dyfyniad MLAKemp, D A. Nature of Knowledge: An Introduction for Librarians. Clive Bingley, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.