Freund, J. E., & Bernett, A. A. (1960). Modern elementary statistics/2e (2nd ed.). Prentice Hall.
Chicago Edition CitationFreund, John E., i Albert A. Bernett. Modern Elementary Statistics/2e. 2nd ed. Englewood: Prentice Hall, 1960.
Cita MLAFreund, John E., i Albert A. Bernett. Modern Elementary Statistics/2e. 2nd ed. Prentice Hall, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.