Citazione Stile APA (7a Edizione)

Watson, C. J., & Billingsley, P. j. a. (1990). Statistics for Management and Economics (4th.). Allyn and Bacon.

Citazione stile Chigago Style (17a edizione)

Watson, Collin J., e Patrick joined author Billingsley. Statistics for Management and Economics. 4th. Boston: Allyn and Bacon, 1990.

Citatione MLA (9a ed.)

Watson, Collin J., e Patrick joined author Billingsley. Statistics for Management and Economics. 4th. Allyn and Bacon, 1990.