APA
BISWAS A. K. e. a., . (2010). Nitrate contamination of groundwater in some heavily fertilized and intensively cultivated districts of India. Indian Institute of Soil Science: Bhopal.
Chicago
BISWAS A K et al, . 2010. Nitrate contamination of groundwater in some heavily fertilized and intensively cultivated districts of India. Indian Institute of Soil Science: Bhopal.
Harvard
BISWAS A. K. e. a., . (2010). Nitrate contamination of groundwater in some heavily fertilized and intensively cultivated districts of India. Indian Institute of Soil Science: Bhopal.
MLA
BISWAS A K et al, . Nitrate contamination of groundwater in some heavily fertilized and intensively cultivated districts of India. Indian Institute of Soil Science: Bhopal. 2010.