Rader, W. D. (1982). Economics and the free enterprise system. Benefic Press.
Cita Chicago (17th ed.)Rader, William D. Economics and the Free Enterprise System. Benefic Press, 1982.
Cita MLA (9th ed.)Rader, William D. Economics and the Free Enterprise System. Benefic Press, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.