APA (7th ed.) Citation

Philippines. Nayional Irrigation Administration. Upper Pampanga river project. s.n].

Chicago Style (17th ed.) Citation

Philippines. Nayional Irrigation Administration. Upper Pampanga River Project. [manila: s.n].

MLA (9th ed.) Citation

Philippines. Nayional Irrigation Administration. Upper Pampanga River Project. s.n].

Warning: These citations may not always be 100% accurate.