Davidson, F. G. (2002). The caregiver's sourcebook. Contemporary Books.
Dyfyniad Arddull ChicagoDavidson, Frena Gray. The Caregiver's Sourcebook. Chicago: Contemporary Books, 2002.
Dyfyniad MLADavidson, Frena Gray. The Caregiver's Sourcebook. Contemporary Books, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.