Cita APA (7a ed.)
Mcconnell,Campbell R. Economics: Principles, problems and policies. McGraw-Hill.
Cita Chicago Style (17a ed.)
Mcconnell,Campbell R. Economics: Principles, Problems and Policies. New York: McGraw-Hill.
Cita MLA (9a ed.)
Mcconnell,Campbell R. Economics: Principles, Problems and Policies. McGraw-Hill.
Precaución: Estas citas no son 100% exactas.