Montgomery, D. C., Peck, E. A., & Vining, G. G. (2012). Introduction to linear regression analysis (Fifth edition.). John Wiley & Sons Ltd.

Montgomery, Douglas C., Elizabeth A. Peck, and G. Geoffrey Vining. Introduction to Linear Regression Analysis. Fifth edition. Hoboken, New Jersey: John Wiley & Sons Ltd, 2012.

Montgomery, Douglas C., et al. Introduction to Linear Regression Analysis. Fifth edition. John Wiley & Sons Ltd, 2012.