Gilder, G. (1981). Wealth and poverty. New York: Bantam Books.
शिकागो स्टाइल उद्धरणGilder, George. Wealth and Poverty. New York: Bantam Books, 1981.
एमएलए उद्धरणGilder, George. Wealth and Poverty. New York: Bantam Books, 1981.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.