Walstad, W. B. (1996). Study guide to accompany McConnell and Brue macroeconomics (13th.ed.). McGraw-Hill.
Cita Chicago (17th ed.)Walstad, William B. Study Guide to Accompany McConnell and Brue Macroeconomics. 13th.ed. New York: McGraw-Hill, 1996.
Cita MLA (9th ed.)Walstad, William B. Study Guide to Accompany McConnell and Brue Macroeconomics. 13th.ed. McGraw-Hill, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.