Jonge, T. d., Veenhoven, R., & Kalmijn, W. (2020). Diversity in Survey Questions on the Same Topic. 1st ed. 2017. Springer International Publishing.
Παραπομπή Chicago StyleJonge, Tineke de, Ruut Veenhoven, και Wim Kalmijn. Diversity in Survey Questions On the Same Topic. 1st Ed. 2017. Springer International Publishing, 2020.
Παραπομπή MLAJonge, Tineke de, Ruut Veenhoven, και Wim Kalmijn. Diversity in Survey Questions On the Same Topic. 1st Ed. 2017. Springer International Publishing, 2020.
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