UPTON, G. J. (1978). The analysis of cross-tabulated data. Wiley.
Cita Chicago (17th ed.)UPTON, Graham J.G. The Analysis of Cross-tabulated Data. New York: Wiley, 1978.
Cita MLA (9th ed.)UPTON, Graham J.G. The Analysis of Cross-tabulated Data. Wiley, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.