Citazione Stile APA (7a Edizione)

Newbold,Paul. (1991). Statistics for business and economics (3rd ed.). Prentice-Hall International.

Citazione stile Chigago Style (17a edizione)

Newbold,Paul. Statistics for Business and Economics. 3rd ed. [London: Prentice-Hall International, 1991.

Citatione MLA (9a ed.)

Newbold,Paul. Statistics for Business and Economics. 3rd ed. Prentice-Hall International, 1991.