Stewart, M. B., & Wallis, K. F. (1981). Introductory econometrics / Mark B. Stewart and Kenneth F. Wallis (2nd ed.). Blackwell.
Chicago Style (17th ed.) CitationStewart, Mark B., and Kenneth F. Wallis. Introductory Econometrics / Mark B. Stewart and Kenneth F. Wallis. 2nd ed. Oxford: Blackwell, 1981.
MLA (9th ed.) CitationStewart, Mark B., and Kenneth F. Wallis. Introductory Econometrics / Mark B. Stewart and Kenneth F. Wallis. 2nd ed. Blackwell, 1981.
Warning: These citations may not always be 100% accurate.