Παραπομπή APA

Bluman, A. G. (1997). Elementary statistics: A step by step approach (3rd ed.). WCB Mc Graw Hill.

Παραπομπή Chicago Style

Bluman, Allan G. Elementary Statistics: A Step by Step Approach. 3rd ed. Boston: WCB Mc Graw Hill, 1997.

Παραπομπή MLA

Bluman, Allan G. Elementary Statistics: A Step by Step Approach. 3rd ed. WCB Mc Graw Hill, 1997.