Eikenberry, A. M. (2009). Giving circles: Philanthropy, voluntary association, and democracy. Indiana University Press.
芝加哥风格引文Eikenberry, Angela M. Giving Circles: Philanthropy, Voluntary Association, and Democracy. Bloomington: Indiana University Press, 2009.
MLA引文Eikenberry, Angela M. Giving Circles: Philanthropy, Voluntary Association, and Democracy. Indiana University Press, 2009.
警告：这些引文格式不一定是100％准确.