Ogola, J. J. (2005). Business law: John Joseph Ogola. Focus Publishers Ltd.
芝加哥风格引文Ogola, J. J. Business Law: John Joseph Ogola. Nairobi: Focus Publishers Ltd, 2005.
MLA引文Ogola, J. J. Business Law: John Joseph Ogola. Focus Publishers Ltd, 2005.
警告：这些引文格式不一定是100％准确.