APA (7th ed.) Citation

Philippines (Republic). National Irrigation Administration & Philippines (Republic) Bureau of Agricultural Economics. (1971). Agronomic and economic correlation study, supporting activity for the land classification works, on the Upper Pampanga River Project, service area. [s.n.].

Chicago Style (17th ed.) Citation

Philippines (Republic). National Irrigation Administration and Philippines (Republic) Bureau of Agricultural Economics. Agronomic and Economic Correlation Study, Supporting Activity for the Land Classification Works, on the Upper Pampanga River Project, Service Area. Quezon City: [s.n.], 1971.

MLA (9th ed.) Citation

Philippines (Republic). National Irrigation Administration and Philippines (Republic) Bureau of Agricultural Economics. Agronomic and Economic Correlation Study, Supporting Activity for the Land Classification Works, on the Upper Pampanga River Project, Service Area. [s.n.], 1971.