Lua APA (7ú heag.)

BINGHAM, R. C., & WALSTAD, W. B. (1990). Study guide to accompany McConnell and Brue: Economics.--Ed.11. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

BINGHAM, Robert C., agus William B. WALSTAD. Study Guide to Accompany McConnell and Brue: Economics.--Ed.11. New York: McGraw-Hill, 1990.

Lua MLA (9ú heag.)

BINGHAM, Robert C., agus William B. WALSTAD. Study Guide to Accompany McConnell and Brue: Economics.--Ed.11. McGraw-Hill, 1990.

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