Walstad, W. B., & Bingham, R. C. (1993). Study guide to accompany McConnell and Brue economics (12th ed.). McGraw - hill.
Chicago Style (17th ed.) CitationWalstad, William B., and Robert C. Bingham. Study Guide to Accompany McConnell and Brue Economics. 12th ed. New York: McGraw - hill, 1993.
MLA引文Walstad, William B., and Robert C. Bingham. Study Guide to Accompany McConnell and Brue Economics. 12th ed. McGraw - hill, 1993.
警告:這些引文格式不一定是100%准確.