ERRICKER, B. (1965). Elementary Statistics: B.C. Erricker. Univ. London Press.
Cita Chicago (17th ed.)ERRICKER, B.C. Elementary Statistics: B.C. Erricker. London: Univ. London Press, 1965.
Cita MLA (9th ed.)ERRICKER, B.C. Elementary Statistics: B.C. Erricker. Univ. London Press, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.