Dyfyniad APA

(2004). Philippine national survey on blindness. University of the Philippines Manila.

Dyfyniad Arddull Chicago

Philippine National Survey on Blindness. Manila: University of the Philippines Manila, 2004.

Dyfyniad MLA

Philippine National Survey on Blindness. University of the Philippines Manila, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.