Reference

Box, G. E. P., Hunter, J. S., & Hunter, W. G. (2005). Statistics for experimenters: design, discovery and innovation. Wiley-Interscience.

Kutner, M. H., Nachtsheim, C. J., Neter, J., & Li, W. (2005). Applied linear statistical models (Vol. 5). McGraw-Hill Irwin New York.