Gilder, G. (1981). Wealth and poverty. Kalyani.
Cita Chicago Style (17a ed.)Gilder, George. Wealth and Poverty. New Delhi: Kalyani, 1981.
Cita MLA (9a ed.)Gilder, George. Wealth and Poverty. Kalyani, 1981.
Precaución: Estas citas no son 100% exactas.