Citazione Stile APA (7a Edizione)

Ferrell, O. (2008). Business: A changing World (6th.).

Citazione stile Chigago Style (17a edizione)

Ferrell, O.C. Business: A Changing World. 6th. Ney York, 2008.

Citatione MLA (9a ed.)

Ferrell, O.C. Business: A Changing World. 6th. 2008.