Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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