Gilder, G. (1981). Wealth and poverty. Kalyani.
Tohutoru Kātū Chicago (17th ed.)Gilder, George. Wealth and Poverty. New Delhi: Kalyani, 1981.
Tohutoro MLA (9th ed.)Gilder, George. Wealth and Poverty. Kalyani, 1981.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.