APA-referens (7:e uppl.)

Wonnacott, T. H., & Wonnacott, R. J. (1972). Introductory statistics for business and economics. John Wiley & Sons.

Chicago-referens (17:e uppl.)

Wonnacott, Thomas H., och Ronald J. Wonnacott. Introductory Statistics for Business and Economics. New York: John Wiley & Sons, 1972.

MLA-referens (9:e uppl.)

Wonnacott, Thomas H., och Ronald J. Wonnacott. Introductory Statistics for Business and Economics. John Wiley & Sons, 1972.