Ratan, R. D. (1979). Selected bibliography of rice-soils, plant nutrition, and fertilizer use for rice. Central Rice Research Institute.
Chicago-referens (17:e uppl.)Ratan, R. D. Selected Bibliography of Rice-soils, Plant Nutrition, and Fertilizer Use for Rice. Cuttack: Central Rice Research Institute, 1979.
MLA-referens (8:e uppl.)Ratan, R. D. Selected Bibliography of Rice-soils, Plant Nutrition, and Fertilizer Use for Rice. Central Rice Research Institute, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.