Ryan, W. (1972). Business horizons. Indian University.
Chicago Edition CitationRyan, W.G. Business Horizons. Indian University, 1972.
MLA引文Ryan, W.G. Business Horizons. Indian University, 1972.
警告：這些引文格式不一定是100％准確.
APA引文
Ryan, W. (1972). Business horizons. Indian University.
Chicago Edition CitationRyan, W.G. Business Horizons. Indian University, 1972.
MLA引文Ryan, W.G. Business Horizons. Indian University, 1972.