Calverley, J. (1995). Pocket guide to economics for the global investor. Probus Pub.
Cita Chicago (17th ed.)Calverley, John. Pocket Guide to Economics for the Global Investor. London: Probus Pub, 1995.
Cita MLA (9th ed.)Calverley, John. Pocket Guide to Economics for the Global Investor. Probus Pub, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.