Gilder, G. (1993). Wealth and poverty. New York: Bantam Books.
Chicago Style CitationGilder, George. Wealth and Poverty. New York: Bantam Books, 1993.
Cita MLAGilder, George. Wealth and Poverty. New York: Bantam Books, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.