Cita APA (7th ed.)
Sloman, J. (1991). Economics (6th ed.). Prentice Hall/Financial Times.
Cita Chicago (17th ed.)
Sloman, John. Economics. 6th ed. Harlow, England ; New York: Prentice Hall/Financial Times, 1991.
Cita MLA (9th ed.)
Sloman, John. Economics. 6th ed. Prentice Hall/Financial Times, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.