Ron,Aviva. (1990). Health insurance in developing countries. Oxford & IBH Publishing Co. Pvt.Ltd.
Dyfyniad Arddull ChicagoRon,Aviva. Health Insurance in Developing Countries. New Delhi: Oxford & IBH Publishing Co. Pvt.Ltd, 1990.
Dyfyniad MLARon,Aviva. Health Insurance in Developing Countries. Oxford & IBH Publishing Co. Pvt.Ltd, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.