Miller, R. L. (1987). Economics today. Joanna Cotler Books.
Cita Chicago Style (17a ed.)Miller, Roger LeRoy. Economics Today. New York: Joanna Cotler Books, 1987.
Cita MLA (9a ed.)Miller, Roger LeRoy. Economics Today. Joanna Cotler Books, 1987.
Precaución: Estas citas no son 100% exactas.