SpringerLink (Online service) & Kaiser, G. (2017). Proceedings of the 13th International Congress on Mathematical Education: ICME-13. Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-62597-3
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)SpringerLink (Online service) و Gabriele Kaiser. Proceedings of the 13th International Congress on Mathematical Education: ICME-13. Cham: Springer International Publishing : Imprint: Springer, 2017. https://doi.org/10.1007/978-3-319-62597-3.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)SpringerLink (Online service) و Gabriele Kaiser. Proceedings of the 13th International Congress on Mathematical Education: ICME-13. Springer International Publishing : Imprint: Springer, 2017. https://doi.org/10.1007/978-3-319-62597-3.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.