.Bowerman, B. L., .O'Connell, R. T., .Hand, M. L., & .Bowerman, B. L. (2001). Business statistics in practice (2th ed.). McGraw-Hill Irwin.
Cita Chicago (17th ed.).Bowerman, Bruce L., Richard T. .O'Connell, Michael L. .Hand, i Bruce L. .Bowerman. Business Statistics in Practice. 2th ed. Boston: McGraw-Hill Irwin, 2001.
Cita MLA (9th ed.).Bowerman, Bruce L., et al. Business Statistics in Practice. 2th ed. McGraw-Hill Irwin, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.