Bluman, A. G. (1992). Elementary statistics: A step by step approach. WCB.
Cita Chicago Style (17a ed.)Bluman, Allan G. Elementary Statistics: A Step by Step Approach. Dubuque: WCB, 1992.
Cita MLA (9a ed.)Bluman, Allan G. Elementary Statistics: A Step by Step Approach. WCB, 1992.
Precaución: Estas citas no son 100% exactas.