Kay, J. (1996). The Business of Economics. O.U.P..
Cita Chicago (17th ed.)Kay, John. The Business of Economics. Oxford: O.U.P., 1996.
Cita MLA (9th ed.)Kay, John. The Business of Economics. O.U.P., 1996.
Atenció: Aquestes cites poden no estar 100% correctes.