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Dyfyniad Arddull ChicagoLeick, Nini, and Marianne Davidsen-Nielsen. Healing Pain: Attachment, Loss and Grief Therapy. London: Routledge, 1991.
Dyfyniad MLALeick, Nini, and Marianne Davidsen-Nielsen. Healing Pain: Attachment, Loss and Grief Therapy. Routledge, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.