Gilder, G. (2012). Wealth and Poverty. Partridge.
Cita Chicago (17th ed.)Gilder, George. Wealth and Poverty. Delhi: Partridge, 2012.
Cita MLA (9th ed.)Gilder, George. Wealth and Poverty. Partridge, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.