Mihail Calalb. (2023). The Constructivist Principle of Learning by Being in Physics Teaching. Athens Institute for Education and Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mihail Calalb. The Constructivist Principle of Learning by Being in Physics Teaching. Athens Institute for Education and Research, 2023.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Mihail Calalb. The Constructivist Principle of Learning by Being in Physics Teaching. Athens Institute for Education and Research, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.