Cita APA (7th ed.)
Landsburg, S. E. (1992). Price theory and application (2nd ed.). Dryden.
Cita Chicago (17th ed.)
Landsburg, Steven E. Price Theory and Application. 2nd ed. New York: Dryden, 1992.
Cita MLA (9th ed.)
Landsburg, Steven E. Price Theory and Application. 2nd ed. Dryden, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.