APA-referens (7:e uppl.)

Newbold, P., Carlson, W. L., & Thorne, B. (2013). Statistics for business and economics (8th ed.). Pearson.

Chicago-referens (17:e uppl.)

Newbold, Paul, William L. Carlson, och Betty Thorne. Statistics for Business and Economics. 8th ed. Boston: Pearson, 2013.

MLA-referens (9:e uppl.)

Newbold, Paul, et al. Statistics for Business and Economics. 8th ed. Pearson, 2013.