Ball, A. D., & Buckwell, G. D. (1991). Statistics A Level (2nd ed.). Macmillan.
Chicago Edition CitationBall, A D., and G D. Buckwell. Statistics A Level. 2nd ed. London: Macmillan, 1991.
MLA Edition CitationBall, A D., and G D. Buckwell. Statistics A Level. 2nd ed. Macmillan, 1991.
Warning: These citations may not always be 100% accurate.