Cita APA

Racho, V. V. (1977). Nitrogen transformation in flooded maahas clay with and without rice [microform]. Photoduplication Service. University of the Philippines Library.

Citación estilo Chicago

Racho, Vicente Villapaz. Nitrogen Transformation in Flooded Maahas Clay with and Without Rice [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Cita MLA

Racho, Vicente Villapaz. Nitrogen Transformation in Flooded Maahas Clay with and Without Rice [microform]. Photoduplication Service. University of the Philippines Library, 1977.