Folbre, N. (2001). The invisible heart: Economics and family values. New Press.
Lua i Stíl Chicago (17ú heag.)Folbre, Nancy. The Invisible Heart: Economics and Family Values. New York: New Press, 2001.
Lua MLA (9ú heag.)Folbre, Nancy. The Invisible Heart: Economics and Family Values. New Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.