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Dyfyniad Arddull ChicagoLotilla, Raphael Perpetuo M. State Implementation of the International Covenant on Economic, Social, and Cultural Rights. Quezon City: International Studies Institute of the Philippines, 1988.
Dyfyniad MLALotilla, Raphael Perpetuo M. State Implementation of the International Covenant on Economic, Social, and Cultural Rights. International Studies Institute of the Philippines, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.