(2011). Soil fertility and fertilizers: An introduction to nutrient management. (7th ed.). PHI Learning.
Citazione stile Chigago Style (17a edizione)Soil Fertility and Fertilizers: An Introduction to Nutrient Management. 7th ed. New Delhi: PHI Learning, 2011.
Citatione MLA (9a ed.)Soil Fertility and Fertilizers: An Introduction to Nutrient Management. 7th ed. PHI Learning, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.