Sloman, J. (2006). Economics (6th ed.). Pearson.
Cita Chicago (17th ed.)Sloman, John. Economics. 6th ed. New Delhi: Pearson, 2006.
Cita MLA (9th ed.)Sloman, John. Economics. 6th ed. Pearson, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.