Bingham, R. C., & Brue, S. L. (1990). Study guide to accompany McConnell and Brue: Economics (11th ed.). McGraw-Hill.
Chicago-viite (17. p.)Bingham, Robert C., ja Stanley L. Brue. Study Guide to Accompany McConnell and Brue: Economics. 11th ed. New York: McGraw-Hill, 1990.
MLA-viite (9. p.)Bingham, Robert C., ja Stanley L. Brue. Study Guide to Accompany McConnell and Brue: Economics. 11th ed. McGraw-Hill, 1990.
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