APA引文

Ryan, W. (1967). Business horizons. G.S.B.A. Indian university.

Chicago Edition Citation

Ryan, W.G. Business Horizons. Bloomington: G.S.B.A. Indian university, 1967.

MLA引文

Ryan, W.G. Business Horizons. G.S.B.A. Indian university, 1967.

警告：这些引文格式不一定是100％准确.