Cleophas, T. J., & Zwinderman, A. H. (2020). SPSS for Starters and 2nd Levelers. 2nd ed. Springer International Publishing.
Trích dẫn kiểu ChicagoCleophas, Ton J., và Aeilko H. Zwinderman. SPSS for Starters and 2nd Levelers. 2nd Ed. Springer International Publishing, 2020.
Deismireacht MLACleophas, Ton J., và Aeilko H. Zwinderman. SPSS for Starters and 2nd Levelers. 2nd Ed. Springer International Publishing, 2020.
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