Singer, F. M., Sheffield, L. J., Freiman, V., & Brandl, M. (2016). Research On and Activities For Mathematically Gifted Students. Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-39450-3
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Singer, Florence Mihaela, Linda Jensen Sheffield, Viktor Freiman, و Matthias Brandl. Research On and Activities For Mathematically Gifted Students. Cham: Springer International Publishing : Imprint: Springer, 2016. https://doi.org/10.1007/978-3-319-39450-3.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Singer, Florence Mihaela, et al. Research On and Activities For Mathematically Gifted Students. Springer International Publishing : Imprint: Springer, 2016. https://doi.org/10.1007/978-3-319-39450-3.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.