Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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