Liljedahl, P. (2020). Building thinking classrooms in mathematics, grades k-12: 14 teaching practices for enhancing learning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Liljedahl, Peter. Building Thinking Classrooms in Mathematics, Grades K-12: 14 Teaching Practices for Enhancing Learning. 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Liljedahl, Peter. Building Thinking Classrooms in Mathematics, Grades K-12: 14 Teaching Practices for Enhancing Learning. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.