Cita APA (7th ed.)

Wonnacott, P. (1990). Economics. John Wiley.

Cita Chicago (17th ed.)

Wonnacott, Paul. Economics. New York: John Wiley, 1990.

Cita MLA (9th ed.)

Wonnacott, Paul. Economics. John Wiley, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.