APA aipamena

Bunke, H. (1991). Business horizons. Indiana university.

Chicago Style aipamena

Bunke, H.C. Business Horizons. Indiana university, 1991.

MLA aipamena

Bunke, H.C. Business Horizons. Indiana university, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.