Havlin, J. L., Beaton, J. D., Tisdale, S. L., & Nelson, W. L. (2005). Soil fertility and fertilizers: An introducction to nutrient management (7. ed.). Pearson Prentice-Hall.
Chicago Style (17th ed.) CitationHavlin, John L., James D. Beaton, Samuel L. Tisdale, and Werner L. Nelson. Soil Fertility and Fertilizers: An Introducction to Nutrient Management. 7. ed. Upper Saddle River: Pearson Prentice-Hall, 2005.
MLA (9th ed.) CitationHavlin, John L., et al. Soil Fertility and Fertilizers: An Introducction to Nutrient Management. 7. ed. Pearson Prentice-Hall, 2005.