Erricker, B. C. (1970). Elementary statistics (2nd ed.). Hodder and Stoughton.
Chicago Edition CitationErricker, B C. Elementary Statistics. 2nd ed. London: Hodder and Stoughton, 1970.
Cita MLAErricker, B C. Elementary Statistics. 2nd ed. Hodder and Stoughton, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.