Wonnacott, P., & Wonnacott, R. (1990). Macroeconomics (4th ed.). John Wiley.
Cita Chicago (17th ed.)Wonnacott, Paul, i Ronald Wonnacott. Macroeconomics. 4th ed. New York: John Wiley, 1990.
Cita MLA (9th ed.)Wonnacott, Paul, i Ronald Wonnacott. Macroeconomics. 4th ed. John Wiley, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.