Cita APA (7th ed.)
McConnell, C. R. (1990). Macroeconomics: Principles, problems, and policies. McGraw-Hill.
Cita Chicago (17th ed.)
McConnell, Campbell R. Macroeconomics: Principles, Problems, and Policies. New York: McGraw-Hill, 1990.
Cita MLA (9th ed.)
McConnell, Campbell R. Macroeconomics: Principles, Problems, and Policies. McGraw-Hill, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.