Upton, G. J. G., & Cook, I. (2006). A dictionary of statistics (2nd ed.). Oxford University Press.
Cita Chicago (17th ed.)Upton, Graham J. G., i Ian Cook. A Dictionary of Statistics. 2nd ed. Oxford: Oxford University Press, 2006.
Cita MLA (9th ed.)Upton, Graham J. G., i Ian Cook. A Dictionary of Statistics. 2nd ed. Oxford University Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.