OGUNSAJU, S. (2007). Case studies for effective management. Clean Print Publishers.
芝加哥风格引文OGUNSAJU, Segun. Case Studies for Effective Management. Clean Print Publishers, 2007.
MLA引文OGUNSAJU, Segun. Case Studies for Effective Management. Clean Print Publishers, 2007.
警告：这些引文格式不一定是100％准确.