Folbre, N. (2001). The invisible heart: Economics and family values. New Press.
芝加哥风格引文Folbre, Nancy. The Invisible Heart: Economics and Family Values. New York: New Press, 2001.
MLA引文Folbre, Nancy. The Invisible Heart: Economics and Family Values. New Press, 2001.
警告：这些引文格式不一定是100％准确.