APA (7th ed.) Citation

Duangputra, P. (1977). Sources and rates od fertilizer phosphorus for flooded rice in Buenavista clay [microform]. Photoduplication Service. University of the Philippines Library.

Chicago Style (17th ed.) Citation

Duangputra, Piya. Sources and Rates Od Fertilizer Phosphorus for Flooded Rice in Buenavista Clay [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9th ed.) Citation

Duangputra, Piya. Sources and Rates Od Fertilizer Phosphorus for Flooded Rice in Buenavista Clay [microform]. Photoduplication Service. University of the Philippines Library, 1977.