APA
Ulaganathan A, Ambili K K, Karthikakuttyamma M, Nair A N S & Satisha G C. (2005). Phosphorus fractions and fixation of added P in rubber growing soils of Kerala. : Natural Rubber Research.
Chicago
Ulaganathan A, Ambili K K, Karthikakuttyamma M, Nair A N S and Satisha G C. 2005. Phosphorus fractions and fixation of added P in rubber growing soils of Kerala. : Natural Rubber Research.
Harvard
Ulaganathan A, Ambili K K, Karthikakuttyamma M, Nair A N S and Satisha G C. (2005). Phosphorus fractions and fixation of added P in rubber growing soils of Kerala. : Natural Rubber Research.
MLA
Ulaganathan A, Ambili K K, Karthikakuttyamma M, Nair A N S and Satisha G C. Phosphorus fractions and fixation of added P in rubber growing soils of Kerala. : Natural Rubber Research. 2005.