Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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.

Style de citation MLA (9e éd.)

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