APA (7th ed.) Zitazioa

ebrary, Inc, & Porter, K. (2012). Broke: How debt bankrupts the middle class. Stanford University Press.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, eta Katherine Porter. Broke: How Debt Bankrupts the Middle Class. Stanford, CA: Stanford University Press, 2012.

MLA (9th ed.) Zitazioa

ebrary, Inc, eta Katherine Porter. Broke: How Debt Bankrupts the Middle Class. Stanford University Press, 2012.