Folbre, N. (2001). The invisible heart: Economics and family values. New Press.
Cita Chicago (17th ed.)Folbre, Nancy. The Invisible Heart: Economics and Family Values. New York: New Press, 2001.
Cita MLA (9th ed.)Folbre, Nancy. The Invisible Heart: Economics and Family Values. New Press, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.