Johnson, R. R. (2008). Elementary statistics. Belmont, CA: Thomson Brooks/Cole.
Chicago Style CitationJohnson, Robert Russell. Elementary Statistics. Belmont, CA: Thomson Brooks/Cole, 2008.
Cita MLAJohnson, Robert Russell. Elementary Statistics. Belmont, CA: Thomson Brooks/Cole, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.