1. Diewert, W. E. (1987). Index numbers. In J. Eatwell, M. Milgate, & P. Newman (Eds.), The New Palgrave: A dictionary of economics (Vol. 2, pp. 767–780). London: The Macmillan Press.
2. Diewert, W. E. (2009). Index number theory and measurement economics. In Particular Ch. 16: Index number theory: Past progress and problems for the future. All chapters are downloadable Retrieved December 17, 2012, from http://faculty.arts.ubc.ca/ediewert/580chmpg.htm
3. Forsyth, F. G., & Fowler, R. F. (1981). The theory and practice of chain price index numbers. Journal of Royal Statistical Society A, 144, 224–246.
4. Levine, R. I., & Rubin, D. S. (1998). Statistics for management (7th ed.). Upper Saddle River: Prentice Hall.