School Mathematics Project. (1971). Statistics and probability (Draft ed.). Cambridge University Press.
Cita Chicago (17th ed.)School Mathematics Project. Statistics and Probability. Draft ed. London: Cambridge University Press, 1971.
Cita MLA (9th ed.)School Mathematics Project. Statistics and Probability. Draft ed. Cambridge University Press, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.