(1997). Poverty, erosion threaten Banaue's rice terraces. Philippine Star.
Dyfyniad Arddull Chicago"Poverty, Erosion Threaten Banaue's Rice Terraces." Philippine Star 1997.
Dyfyniad MLA"Poverty, Erosion Threaten Banaue's Rice Terraces." Philippine Star, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.