Leutner, D., Fleischer, J., Grünkorn, J., & Klieme, E. (2020). Competence Assessment in Education. 1st ed. 2017. Springer International Publishing.
استشهاد بنمط شيكاغوLeutner, Detlev, Jens Fleischer, Juliane Grünkorn, و Eckhard Klieme. Competence Assessment in Education. 1st Ed. 2017. Springer International Publishing, 2020.
MLA استشهادLeutner, Detlev, Jens Fleischer, Juliane Grünkorn, و Eckhard Klieme. Competence Assessment in Education. 1st Ed. 2017. Springer International Publishing, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.