APA (7th ed.) Zitazioa

(2009). portfolios of the poor: How the worlds poor live on two dollars a day. Princeton.

Chicago Style (17th ed.) Zitazioa

Portfolios of the Poor: How the Worlds Poor Live on Two Dollars a Day. Oxford: Princeton, 2009.

MLA (9th ed.) Zitazioa

Portfolios of the Poor: How the Worlds Poor Live on Two Dollars a Day. Princeton, 2009.