Cita APA (7th ed.)

Mcconnell,Campbell R. Economics: Principles, problems and policies. McGraw-Hill.

Cita Chicago (17th ed.)

Mcconnell,Campbell R. Economics: Principles, Problems and Policies. New York: McGraw-Hill.

Cita MLA (9th ed.)

Mcconnell,Campbell R. Economics: Principles, Problems and Policies. McGraw-Hill.

Atenció: Aquestes cites poden no estar 100% correctes.