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Dyfyniad Arddull ChicagoMaurus, J. Make Your Emotions Work For You. Allahabad: St. Paul Society, 1975.
Dyfyniad MLAMaurus, J. Make Your Emotions Work For You. St. Paul Society, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.