(2009). portfolios of the poor: How the worlds poor live on two dollars a day. Princeton.
Cita Chicago (17th ed.)Portfolios of the Poor: How the Worlds Poor Live on Two Dollars a Day. Oxford: Princeton, 2009.
Cita MLA (9th ed.)Portfolios of the Poor: How the Worlds Poor Live on Two Dollars a Day. Princeton, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.