Havlin, J. L. (2005). Soil fertility and fertilizers: An introduction to nutrient management (7th ed.). Upper Saddle River, N.J: Pearson / Prentice Hall.
Chicago Style CitationHavlin, John L. Soil Fertility and Fertilizers: An Introduction to Nutrient Management. 7th ed. Upper Saddle River, N.J: Pearson / Prentice Hall, 2005.
MLA CitationHavlin, John L. Soil Fertility and Fertilizers: An Introduction to Nutrient Management. 7th ed. Upper Saddle River, N.J: Pearson / Prentice Hall, 2005.
Warning: These citations may not always be 100% accurate.