University of London. Institute of Education. (1963). First years in school: Aspects of children's development from the ages of 4 to 7. Published for the University of London Institute of Education by Evans Brothers Ltd..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of London. Institute of Education. First Years in School: Aspects of Children's Development from the Ages of 4 to 7. London: Published for the University of London Institute of Education by Evans Brothers Ltd., 1963.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of London. Institute of Education. First Years in School: Aspects of Children's Development from the Ages of 4 to 7. Published for the University of London Institute of Education by Evans Brothers Ltd., 1963.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.