Koppelman, A. (2013). Defending American religious neutrality. Harvard University Press.
芝加哥风格引文Koppelman, Andrew. Defending American Religious Neutrality. Cambridge, Mass.: Harvard University Press, 2013.
MLA引文Koppelman, Andrew. Defending American Religious Neutrality. Harvard University Press, 2013.
警告：这些引文格式不一定是100％准确.