Black, C. A., Evans, D. D., Ensminger, L. E., White, J. L., Clark, F. E., & Dinauer, R. C. (1965). Methods of soil analysis: Physical and mineralogical properties, including statistics of measurement and sampling. Wisconsin: American Society of Agronomy.

Black, C. A., D. D. Evans, L. E. Ensminger, J. L. White, F. E. Clark, and R. C. Dinauer. Methods of Soil Analysis: Physical and Mineralogical Properties, Including Statistics of Measurement and Sampling. Wisconsin: American Society of Agronomy, 1965.

Black, C. A., et al. Methods of Soil Analysis: Physical and Mineralogical Properties, Including Statistics of Measurement and Sampling. Wisconsin: American Society of Agronomy, 1965.