BINGHAM, R. C., & WALSTAD, W. B. (1990). Study guide to accompany McConnell and Brue: Economics.--Ed.11. McGraw-Hill.
芝加哥风格引文BINGHAM, Robert C., 与 William B. WALSTAD. Study Guide to Accompany McConnell and Brue: Economics.--Ed.11. New York: McGraw-Hill, 1990.
MLA引文BINGHAM, Robert C., 与 William B. WALSTAD. Study Guide to Accompany McConnell and Brue: Economics.--Ed.11. McGraw-Hill, 1990.
警告：这些引文格式不一定是100％准确.