Cita APA (7th ed.)

Ferrell, O. C., & Hirt, G. A. (2003). Business: A changing world (4th ed.). McGraw-Hill/Irwin.

Cita Chicago (17th ed.)

Ferrell, O. C., i Geoffrey A. Hirt. Business: A Changing World. 4th ed. Boston: McGraw-Hill/Irwin, 2003.

Cita MLA (8th ed.)

Ferrell, O. C., i Geoffrey A. Hirt. Business: A Changing World. 4th ed. McGraw-Hill/Irwin, 2003.