Nelson, C. R. (1987). The investor's guide to economic indicators. Wiley.
Cita Chicago Style (17a ed.)Nelson, Charles R. The Investor's Guide to Economic Indicators. New York: Wiley, 1987.
Cita MLA (9a ed.)Nelson, Charles R. The Investor's Guide to Economic Indicators. Wiley, 1987.
Precaución: Estas citas no son 100% exactas.