Cita APA (7th ed.)
Landsburg, S. E. (1995). Price theory and application (3rd ed.). West.
Cita Chicago (17th ed.)
Landsburg, Steven E. Price Theory and Application. 3rd ed. Minneapolis: West, 1995.
Cita MLA (9th ed.)
Landsburg, Steven E. Price Theory and Application. 3rd ed. West, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.