Koufetta, C. (2000). Teaching thinking in schools: An investigation into the teaching of CASE and its contribution to student learning. University of Sheffield.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Koufetta, Christiana. Teaching Thinking in Schools: An Investigation into the Teaching of CASE and Its Contribution to Student Learning. Sheffield: University of Sheffield, 2000.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Koufetta, Christiana. Teaching Thinking in Schools: An Investigation into the Teaching of CASE and Its Contribution to Student Learning. University of Sheffield, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.