Philippines (Republic) National Irrigation Administration & United States Bureau of Reclamation. (1971). Land classification and supporting studies on the Upper Pampanga River Project. s.n.].
Citación estilo ChicagoPhilippines (Republic) National Irrigation Administration and United States Bureau of Reclamation. Land Classification and Supporting Studies on the Upper Pampanga River Project. [Quezon City: s.n.], 1971.
Cita MLAPhilippines (Republic) National Irrigation Administration and United States Bureau of Reclamation. Land Classification and Supporting Studies on the Upper Pampanga River Project. s.n.], 1971.
Warning: These citations may not always be 100% accurate.