National Water Resources Council. (1983). Central Luzon framework plan: Agno river basins. National Water Resources Council.
Dyfyniad Arddull ChicagoNational Water Resources Council. Central Luzon Framework Plan: Agno River Basins. Quezon City: National Water Resources Council, 1983.
Dyfyniad MLANational Water Resources Council. Central Luzon Framework Plan: Agno River Basins. National Water Resources Council, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.