Tohutoro APA (7th ed.)

Havlin, J. L., Tisdale, S. L., Nelson, W. L., & Beaton, J. D. (2014). Soil fertility and fertilizers: An introduction to nutrient management (8ª edición.). Pearson.

Tohutoru Kātū Chicago

Havlin, John L., Samuel L. Tisdale, Werner L. Nelson, me James D. Beaton. Soil Fertility and Fertilizers: An Introduction to Nutrient Management. 8ª edición. Upper Saddle River, NJ: Pearson, 2014.

Tohutoro MLA

Havlin, John L., et al. Soil Fertility and Fertilizers: An Introduction to Nutrient Management. 8ª edición. Pearson, 2014.