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Dyfyniad Arddull ChicagoRichards, P. J. Target Setting for Basic Needs: The Operation of Selected Government Services. Geneva: International labour Office, 1982.
Dyfyniad MLARichards, P. J. Target Setting for Basic Needs: The Operation of Selected Government Services. Geneva: International labour Office, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.