Cita APA (7th ed.)
McConnell, . C. R., & Brue, S. L. (2008). Economics: Principles, problems, and policies (17th ed.). McGraw Hill.
Cita Chicago (17th ed.)
McConnell, Campbell R., i Stanley L. Brue. Economics: Principles, Problems, and Policies. 17th ed. New York: McGraw Hill, 2008.
Cita MLA (9th ed.)
McConnell, Campbell R., i Stanley L. Brue. Economics: Principles, Problems, and Policies. 17th ed. McGraw Hill, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.