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Dyfyniad Arddull ChicagoHilary Burgess. Achieving Your Doctorate in Education. London ; Thousand Oaks ; New Delhi ; Open University: SAGE, 2006.
Dyfyniad MLAHilary Burgess. Achieving Your Doctorate in Education. SAGE, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.