Bingham, R. C., & Walstad, W. B. (1990). Macroeconomics: Study guide to accompany. McGraw-Hill, Inc..
Cita Chicago (17th ed.)Bingham, Robert C., i William B. Walstad. Macroeconomics: Study Guide to Accompany. New York: McGraw-Hill, Inc., 1990.
Cita MLA (9th ed.)Bingham, Robert C., i William B. Walstad. Macroeconomics: Study Guide to Accompany. McGraw-Hill, Inc., 1990.
Atenció: Aquestes cites poden no estar 100% correctes.