APA aipamena

Ryan, W. (1966). Business horizons. G.S.B.A. Indian university.

Chicago Style aipamena

Ryan, W.G. Business Horizons. G.S.B.A. Indian university, 1966.

MLA aipamena

Ryan, W.G. Business Horizons. G.S.B.A. Indian university, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.