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Dyfyniad Arddull ChicagoEmmelkamp, Paul M. G., and Jan Henk Kamphuis. Personality Disorders. Hove, East Sussex: Psychology Press, 2007.
Dyfyniad MLAEmmelkamp, Paul M. G., and Jan Henk Kamphuis. Personality Disorders. Psychology Press, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.