Cita APA (7th ed.)

Wonnacott, P., & Wonnacott, R. J. (1979). Economics. McGraw-Hill.

Cita Chicago (17th ed.)

Wonnacott, Paul, i Ronald J. Wonnacott. Economics. Nueva York: McGraw-Hill, 1979.

Cita MLA (9th ed.)

Wonnacott, Paul, i Ronald J. Wonnacott. Economics. McGraw-Hill, 1979.