University of London. School Examinations Board & University of London. University Entrance and School Examinations Council. (1967). Regulations and syllabuses, General Certificate of Education Examination ... The University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of London. School Examinations Board و University of London. University Entrance and School Examinations Council. Regulations and Syllabuses, General Certificate of Education Examination ... London: The University, 1967.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of London. School Examinations Board و University of London. University Entrance and School Examinations Council. Regulations and Syllabuses, General Certificate of Education Examination ... The University, 1967.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.