Ladner, J. A. (2001). The new urban leaders. Brookings Institution Press.
芝加哥风格引文Ladner, Joyce A. The New Urban Leaders. Washington, D.C.: Brookings Institution Press, 2001.
MLA引文Ladner, Joyce A. The New Urban Leaders. Brookings Institution Press, 2001.
警告：这些引文格式不一定是100％准确.