Washington, S. P., Καρλαύτης, Μ. Γ., Mannering, F. L., Karlaftis, M. G., & Mannering, F. L. (2003). Statistical and econometric methods for transportation data analysis. Boca Raton, FL.: Chapman & Hall/CRC.

Washington, Simon P., Μ. Γ Καρλαύτης, Fred L. Mannering, Matthew G. Karlaftis, and Fred L. Mannering. Statistical and Econometric Methods for Transportation Data Analysis. Boca Raton, FL.: Chapman & Hall/CRC, 2003.

Washington, Simon P., et al. Statistical and Econometric Methods for Transportation Data Analysis. Boca Raton, FL.: Chapman & Hall/CRC, 2003.