APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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