Needle, D. (2009). Business in Context - 4th Ed. Cengage Learning.
芝加哥风格引文Needle, David. Business in Context - 4th Ed. London: Cengage Learning, 2009.
MLA引文Needle, David. Business in Context - 4th Ed. Cengage Learning, 2009.
警告：这些引文格式不一定是100％准确.
APA引文