ebrary, Inc, & Porter, K. (2012). Broke: How debt bankrupts the middle class. Stanford University Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Katherine Porter. Broke: How Debt Bankrupts the Middle Class. Stanford, CA: Stanford University Press, 2012.
Lua MLA (9ú heag.)ebrary, Inc, agus Katherine Porter. Broke: How Debt Bankrupts the Middle Class. Stanford University Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.