International Conference on Public Education Geneva, Switzerland. (1955). Teaching of art in primary and secondary schools: A comparative study ... UNESCO.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Conference on Public Education Geneva, Switzerland. Teaching of Art in Primary and Secondary Schools: A Comparative Study ... Paris: UNESCO, 1955.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Conference on Public Education Geneva, Switzerland. Teaching of Art in Primary and Secondary Schools: A Comparative Study ... UNESCO, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.