BOWERMAN, B. L., O'CONNELL, R. T., & MURPHREE, E. S. (2011). Business statistics in practice. McGraw-Hill Book Company.

BOWERMAN, Bruce L., Richard T. O'CONNELL, and Emily S. MURPHREE. Business Statistics in Practice. McGraw-Hill Book Company, 2011.

BOWERMAN, Bruce L., et al. Business Statistics in Practice. McGraw-Hill Book Company, 2011.