Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.