Cita APA (7th ed.)

Wonnacott, P. (1986). Economics (3rd ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Wonnacott, Paul. Economics. 3rd ed. New York: McGraw-Hill, 1986.

Cita MLA (9th ed.)

Wonnacott, Paul. Economics. 3rd ed. McGraw-Hill, 1986.