Jaga Praveen Kumar & Singh Bharat. (2016). Soil Fertility Fertilizers and Agrochemicals. Daya Publishing House.
Citazione stile Chigago Style (17a edizione)Jaga Praveen Kumar e Singh Bharat. Soil Fertility Fertilizers and Agrochemicals. New Delhi: Daya Publishing House, 2016.
Citatione MLA (9a ed.)Jaga Praveen Kumar e Singh Bharat. Soil Fertility Fertilizers and Agrochemicals. Daya Publishing House, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.