Fagade, S. O. (1977). Growth characteristics, grain yield and quality of rice as affected by plant density and nitrogen level [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Fagade, Samson Olaseni. Growth Characteristics, Grain Yield and Quality of Rice as Affected by Plant Density and Nitrogen Level [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA-referens (9:e uppl.)Fagade, Samson Olaseni. Growth Characteristics, Grain Yield and Quality of Rice as Affected by Plant Density and Nitrogen Level [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.