McConnell, C. R., & Brue, S. L. (1996). Macroeconomics: Principles, problems, and policies (13th ed.). Irwin/McGraw-Hill.

McConnell, Campbell R., and Stanley L. Brue. Macroeconomics: Principles, Problems, and Policies. 13th ed. Boston: Irwin/McGraw-Hill, 1996.

McConnell, Campbell R., and Stanley L. Brue. Macroeconomics: Principles, Problems, and Policies. 13th ed. Irwin/McGraw-Hill, 1996.