ebrary, Inc, & Perna, L. W. (2013). Preparing today's students for tomorrow's jobs in Metropolitan America. University of Pennsylvania Press.
芝加哥风格引文ebrary, Inc, 与 Laura W. Perna. Preparing Today's Students for Tomorrow's Jobs in Metropolitan America. Philadelphia: University of Pennsylvania Press, 2013.
MLA引文ebrary, Inc, 与 Laura W. Perna. Preparing Today's Students for Tomorrow's Jobs in Metropolitan America. University of Pennsylvania Press, 2013.
警告：这些引文格式不一定是100％准确.