United Nations Educational, Scientific and Cultural Organization. (1964). Reform and development of higher education in Europe: France, the Netherlands and Poland. s.n.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations Educational, Scientific and Cultural Organization. Reform and Development of Higher Education in Europe: France, the Netherlands and Poland. [Paris: s.n, 1964.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations Educational, Scientific and Cultural Organization. Reform and Development of Higher Education in Europe: France, the Netherlands and Poland. s.n, 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.