Gilder, G. (1981). Wealth and poverty. Kalyani.
Cita Chicago (17th ed.)Gilder, George. Wealth and Poverty. New Delhi: Kalyani, 1981.
Cita MLA (9th ed.)Gilder, George. Wealth and Poverty. Kalyani, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.