Schulz, W., Ainley, J., Fraillon, J., Losito, B., & Agrusti, G. (2016). IEA International Civic and Citizenship Education Study 2016 Assessment Framework. Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-39357-5
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Schulz, Wolfram, John Ainley, Julian Fraillon, Bruno Losito, و Gabriella Agrusti. IEA International Civic and Citizenship Education Study 2016 Assessment Framework. Cham: Springer International Publishing : Imprint: Springer, 2016. https://doi.org/10.1007/978-3-319-39357-5.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Schulz, Wolfram, et al. IEA International Civic and Citizenship Education Study 2016 Assessment Framework. Springer International Publishing : Imprint: Springer, 2016. https://doi.org/10.1007/978-3-319-39357-5.