Caro, D., & Lehmann, R. (2009). Achievement inequalities in Hamburg schools: How do they change as students get older?
芝加哥风格引文Caro, D., 与 R. Lehmann. Achievement Inequalities in Hamburg Schools: How Do They Change as Students Get Older? 2009.
MLA引文Caro, D., 与 R. Lehmann. Achievement Inequalities in Hamburg Schools: How Do They Change as Students Get Older? 2009.
警告：这些引文格式不一定是100％准确.