APA (7th ed.) Zitazioa

(2016). IBM SPSS statistics 23 step by step: A simple guide and reference / Darren George (Burman University (Formerly Canadian University of College)), Paul Mallery (La Sierra University).

Chicago Style (17th ed.) Zitazioa

IBM SPSS Statistics 23 Step by Step: A Simple Guide and Reference / Darren George (Burman University (Formerly Canadian University of College)), Paul Mallery (La Sierra University). 2016.

MLA (9th ed.) Zitazioa

IBM SPSS Statistics 23 Step by Step: A Simple Guide and Reference / Darren George (Burman University (Formerly Canadian University of College)), Paul Mallery (La Sierra University). 2016.