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Dyfyniad Arddull ChicagoKrysik, Judy. Research for Effective Social Work Practice. Boston, Mass: McGraw-Hill, 2007.
Dyfyniad MLAKrysik, Judy. Research for Effective Social Work Practice. Boston, Mass: McGraw-Hill, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.