Citazione Stile APA (7a Edizione)

Wonnacott, P., & Wonnacott, R. J. (1990). Economics (4th.ed.). John Wiley & sons.

Citazione stile Chigago Style (17a edizione)

Wonnacott, Paul, e Ronald J. Wonnacott. Economics. 4th.ed. New York: John Wiley & sons, 1990.

Citatione MLA (9a ed.)

Wonnacott, Paul, e Ronald J. Wonnacott. Economics. 4th.ed. John Wiley & sons, 1990.