Erricker, B. (1967). Elementary statistics. Orient Longmans.
Cita Chicago Style (17a ed.)Erricker, B. Elementary Statistics. Bombay: Orient Longmans, 1967.
Cita MLA (9a ed.)Erricker, B. Elementary Statistics. Orient Longmans, 1967.
Precaución: Estas citas no son 100% exactas.