Philippines (Republic). National Economic and Development Authority. (1973). Central Luzon flood disaster of 1972 and a year after. [s.n.].
Cita Chicago (17th ed.)Philippines (Republic). National Economic and Development Authority. Central Luzon Flood Disaster of 1972 and a Year After. Manila: [s.n.], 1973.
Cita MLA (9th ed.)Philippines (Republic). National Economic and Development Authority. Central Luzon Flood Disaster of 1972 and a Year After. [s.n.], 1973.
Atenció: Aquestes cites poden no estar 100% correctes.