Ministry of education. (1948). A Guide to the Educational System of England and Wales. His Majesty s Stationery office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ministry of education. A Guide to the Educational System of England and Wales. London: His Majesty s Stationery office, 1948.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ministry of education. A Guide to the Educational System of England and Wales. His Majesty s Stationery office, 1948.