APA
SURESHKUMAR P. e. a., . (2010). Laboratory manual for soil analysis : Soil based plant nutrient management plan for agro-eco systems of Kerala. Kerala Agricultural University: Kerala.
Chicago
SURESHKUMAR P et al, . 2010. Laboratory manual for soil analysis : Soil based plant nutrient management plan for agro-eco systems of Kerala. Kerala Agricultural University: Kerala.
Harvard
SURESHKUMAR P. e. a., . (2010). Laboratory manual for soil analysis : Soil based plant nutrient management plan for agro-eco systems of Kerala. Kerala Agricultural University: Kerala.
MLA
SURESHKUMAR P et al, . Laboratory manual for soil analysis : Soil based plant nutrient management plan for agro-eco systems of Kerala. Kerala Agricultural University: Kerala. 2010.