Cita APA (7th ed.)

Lipsey, R. G., & Courant, P. N. (1995). Economics (11th ed.). HarperCollins.

Cita Chicago (17th ed.)

Lipsey, Richard G., i Paul N. Courant. Economics. 11th ed. New York: HarperCollins, 1995.

Cita MLA (9th ed.)

Lipsey, Richard G., i Paul N. Courant. Economics. 11th ed. HarperCollins, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.