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Dyfyniad Arddull ChicagoUnesco. World Guide to Higher Education: A Comparative Survey of Systems,degress and Qualifications. New York: Bowker, 1976.
Dyfyniad MLAUnesco. World Guide to Higher Education: A Comparative Survey of Systems,degress and Qualifications. Bowker, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.