Bowerman, B. L., Drougas, A. M., Duckworth, W. M., Froelich, A. G., Hummel, R. M., Moninger, K. B., & Schur, P. J. (2019). Business statistics in practice (Ninth Edition.). New York: McGraw Hill.

Bowerman, Brice L., Anne M. Drougas, Willilam M. Duckworth, Amy G. Froelich, Ruth M. Hummel, Kyle B. Moninger, and Patrick J. Schur. Business Statistics in Practice. Ninth Edition. New York: McGraw Hill, 2019.

Bowerman, Brice L., et al. Business Statistics in Practice. Ninth Edition. New York: McGraw Hill, 2019.