APA aipamena

Ferrell, O. C. (2006). Business: A changing world. Boston: McGraw-Hill/Irwin.

Chicago Style aipamena

Ferrell, O. C. Business: A Changing World. Boston: McGraw-Hill/Irwin, 2006.

MLA aipamena

Ferrell, O. C. Business: A Changing World. Boston: McGraw-Hill/Irwin, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.